Heart Failure

Heart failure develops when the heart cannot pump enough blood to meet the body's needs, leading to symptoms such as shortness of breath, fatigue, and fluid retention. Its causes, types, stages, diagnostic methods, and treatment options vary, making early recognition and appropriate medical care important for managing the condition.

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Heart failure is a condition in which the heart cannot pump blood effectively enough to meet the body's needs, or can do so only at higher pressures inside the heart. Despite its name, heart failure does not mean that the heart has stopped working. It is usually a long-term condition, but modern treatments can relieve symptoms, slow its progression, reduce hospitalizations, and help many people maintain a good quality of life. The older term congestive heart failure (CHF) is still widely used, particularly when fluid builds up in the lungs or other parts of the body.

Severe shortness of breath at rest, chest pain, fainting, a very rapid heartbeat accompanied by other symptoms, or coughing up pink, frothy sputum can signal a medical emergency. Call emergency services rather than waiting for a routine appointment. Sudden, marked swelling or rapid weight gain may also indicate worsening fluid retention and requires prompt medical advice.

What Is Heart Failure?

The heart is a muscular organ with four chambers. Its lower chambers, called ventricles, pump blood to the lungs and the rest of the body. In heart failure, the heart muscle may be too weak to pump effectively, too stiff to fill properly, or affected by a combination of these problems. As a result, organs and tissues may receive less blood than they need, while pressure can build up inside the heart and cause fluid to collect in the lungs, legs, ankles, or abdomen.

Heart failure can develop gradually over months or years, or appear suddenly as acute heart failure. Acute episodes may occur when an existing condition worsens, such as after a heart attack, or when a new problem places sudden strain on the heart. Chronic heart failure requires ongoing care even when symptoms improve.

Heart Failure vs. Heart Attack vs. Cardiac Arrest

These terms describe different medical problems, although they can be related. A heart attack can damage the heart muscle and lead to heart failure, while severe heart failure can sometimes contribute to dangerous heart rhythms.

  • Heart failure: The heart cannot pump or fill well enough to meet the body's needs. Common symptoms include breathlessness, fatigue, swelling, and reduced ability to exercise.

  • Heart attack: Blood flow to part of the heart muscle is blocked, usually by a blood clot in a coronary artery. Symptoms can include chest pressure or pain, shortness of breath, sweating, nausea, and discomfort in the arm, back, neck, or jaw.

  • Cardiac arrest: The heart suddenly stops pumping blood effectively, usually because of an electrical problem. The person collapses, loses consciousness, and stops breathing normally.

A heart attack and cardiac arrest are emergencies. Cardiac arrest requires immediate CPR and use of an automated external defibrillator (AED), if available, while emergency services are called.

Left-Sided and Right-Sided Heart Failure

Heart failure is also described according to which side of the heart is most affected. The two sides work together, so a problem that begins on one side can eventually affect the other.

  • Left-sided heart failure: The left ventricle cannot pump blood effectively to the body or becomes too stiff to fill normally. Pressure may build up in the blood vessels of the lungs, causing breathlessness, coughing, and difficulty breathing when lying flat.

  • Right-sided heart failure: The right ventricle cannot pump blood efficiently to the lungs. Blood may back up in the veins, causing swelling in the ankles, legs, and abdomen, as well as weight gain from fluid retention.

Left-sided heart failure is common and can place extra strain on the right side over time. Right-sided heart failure may also develop because of lung disease or high pressure in the blood vessels supplying the lungs.

Types of Heart Failure

One important way to classify heart failure is by the ejection fraction. This is the percentage of blood in the left ventricle that is pumped out with each heartbeat. It is usually measured by an echocardiogram, an ultrasound examination of the heart.

Ejection fraction helps identify the type of heart failure and guide treatment, but it does not measure heart function in every respect. A person can have significant symptoms and abnormal heart filling pressures even when the ejection fraction is within the normal range.

Type

Left ventricular ejection fraction

Meaning

Heart failure with reduced ejection fraction (HFrEF)

40% or below

The left ventricle has reduced pumping ability. Often associated with the older term systolic heart failure.

Heart failure with mildly reduced ejection fraction (HFmrEF)

41%–49%

Pumping ability is mildly reduced. Other evidence of structural or functional heart disease helps support the diagnosis.

Heart failure with preserved ejection fraction (HFpEF)

50% or above

The ejection fraction is preserved, but the heart may be stiff or have raised filling pressures. Often associated with the older term diastolic heart failure.

The terms systolic and diastolic heart failure describe problems with contraction and relaxation, respectively. They are still used, but the ejection-fraction categories provide a more specific framework for diagnosis and treatment. Heart failure with preserved ejection fraction does not mean the heart is functioning normally; it means that the percentage of blood pumped out remains preserved despite other abnormalities.

Some people initially diagnosed with HFrEF have an improvement in ejection fraction after treatment. This is called heart failure with improved ejection fraction. Improvement does not necessarily mean the condition has disappeared, and prescribed treatment usually needs to continue.

Stages of Heart Failure

Doctors use two systems to describe heart failure: the American College of Cardiology/American Heart Association (ACC/AHA) stages and the New York Heart Association (NYHA) functional classes. They provide different information. ACC/AHA stages describe the development and progression of heart disease, while NYHA classes describe how symptoms affect physical activity.

ACC/AHA Stages

The ACC/AHA system describes the progression of heart failure, from risk factors to advanced disease.

  • Stage A – At risk: Risk factors such as high blood pressure, diabetes, or obesity are present, but there is no structural heart disease or heart failure symptoms.

  • Stage B – Pre-heart failure: Structural heart disease or evidence of increased cardiac pressure is present, but the person has no current or previous heart failure symptoms.

  • Stage C – Symptomatic heart failure: Structural heart disease is present, with current or previous symptoms of heart failure.

  • Stage D – Advanced heart failure: Symptoms significantly interfere with daily life and may continue despite optimized treatment. Specialized care and advanced treatment options may be needed.

NYHA Functional Classes

The NYHA system describes how much symptoms limit a person's daily activities. Unlike the ACC/AHA stages, the functional class can change as symptoms improve or worsen.

  • Class I – No activity limitation: Ordinary physical activity does not cause unusual breathlessness, fatigue, or palpitations.

  • Class II – Mild limitation: The person is comfortable at rest, but ordinary physical activity causes symptoms.

  • Class III – Marked limitation: The person is comfortable at rest, but less-than-ordinary activity causes symptoms.

  • Class IV – Symptoms at rest: Symptoms may be present even while resting, and physical activity causes increased discomfort.

The two systems are not interchangeable. For example, a person may have ACC/AHA Stage C heart failure and NYHA Class II symptoms. The stage reflects the broader progression of the disease, while the functional class describes its current effect on everyday activity.

Symptoms of Heart Failure

Heart failure symptoms can develop slowly, making early changes easy to overlook. Some people first notice that they become breathless when climbing stairs, need more rest during everyday activities, or wake at night feeling short of breath. Others develop swelling or rapid weight gain as the body retains fluid. Symptoms may remain stable for a period and then worsen, particularly during an infection, an abnormal heart rhythm, or a change in another medical condition.

Common Symptoms

  • Shortness of breath: Breathlessness may occur during physical activity, when lying flat, or at night. Some people need extra pillows to sleep comfortably or wake suddenly feeling unable to catch their breath.

  • Fatigue and weakness: Reduced blood flow to muscles can make routine activities such as walking, dressing, or shopping more tiring than usual.

  • Swollen ankles, legs, or feet: Fluid can collect in the tissues, particularly after sitting or standing for long periods. Swelling may also affect the abdomen.

  • Rapid weight gain: A sudden increase in weight over a few days may reflect fluid retention rather than an increase in body fat.

  • Persistent cough or wheezing: Fluid buildup in or around the lungs can cause coughing, sometimes worse when lying down. A cough may also have another cause, so it needs to be assessed in context.

  • Frequent urination at night: Fluid that collects in the legs during the day may return to the bloodstream when lying down, increasing urine production overnight.

  • Bloating or loss of appetite: Fluid buildup in the abdomen and congestion affecting the digestive system can cause discomfort, nausea, or feeling full quickly.

  • Difficulty concentrating: Reduced circulation and changes in oxygen delivery may contribute to confusion or difficulty focusing, particularly in older adults.

Symptoms That Mean You Need Urgent Care

Call emergency services if you or someone else experiences:

  • Severe shortness of breath at rest or sudden difficulty breathing.

  • Chest pain or pressure, particularly if it spreads to the arm, back, neck, or jaw.

  • Fainting or sudden loss of consciousness.

  • A very rapid or irregular heartbeat accompanied by chest discomfort, severe breathlessness, dizziness, or fainting.

  • Coughing up pink, frothy sputum.

Do not drive yourself to the hospital if you may be having a medical emergency. A sudden increase in swelling, a rapid rise in weight, or worsening breathlessness can also indicate that heart failure is becoming less controlled. Contact the treating team promptly for instructions rather than waiting for the next scheduled appointment. If symptoms are severe or rapidly worsening, seek emergency care.

Symptoms in Women and Older Adults

Heart failure can affect people of all sexes, but symptoms do not always appear in the same way. Women may experience breathlessness, fatigue, nausea, or swelling, sometimes without the prominent chest discomfort people associate with heart disease. These symptoms are not specific to heart failure, but persistent or unexplained changes should not be dismissed.

Older adults may have less obvious symptoms, such as reduced mobility, confusion, loss of appetite, or a gradual decline in their ability to manage daily activities. Breathlessness and fatigue may be attributed to aging or other health conditions. A change from a person's usual level of function can be an important reason to arrange a medical assessment.

What Causes Heart Failure?

Heart failure usually develops because another condition has damaged the heart muscle, increased the workload on the heart, or affected its ability to fill and pump blood. Several causes may be present at the same time. Identifying them is important because treating the underlying problem can improve symptoms and help prevent further damage.

Coronary Artery Disease and Heart Attack

Coronary artery disease develops when fatty deposits narrow the arteries that supply blood to the heart muscle. This can reduce the oxygen available to the heart and weaken its pumping ability over time. A heart attack occurs when blood flow through a coronary artery is suddenly blocked, damaging part of the heart muscle. The resulting scar tissue may reduce the heart's ability to contract and lead to heart failure.

High Blood Pressure

High blood pressure makes the heart work harder to pump blood through the body. Over time, the heart muscle may become thickened and stiff, making it harder for the left ventricle to fill between beats. This can contribute to heart failure with preserved ejection fraction and, in some cases, reduced ejection fraction. Long-term blood pressure control is therefore an important part of preventing and managing heart failure.

Cardiomyopathy and Heart Valve Disease

Cardiomyopathy refers to diseases of the heart muscle that affect its structure or function. Some forms are inherited, while others develop after infections, exposure to certain medicines or toxins, or during pregnancy. Cardiomyopathy can make the heart enlarged, thickened, or stiff and may lead to heart failure.

Heart valve disease can also increase the workload on the heart. A narrowed valve may restrict blood flow, while a valve that does not close properly can allow blood to flow backward. If the problem is severe or continues for a long time, the heart may become enlarged or weakened.

Other Causes and Contributing Conditions

Several health conditions and lifestyle factors can increase the risk of heart failure or make existing disease harder to control:

  • Heart rhythm disorders: Atrial fibrillation and other persistent rhythm problems can reduce the heart's pumping efficiency. A very fast or slow heart rate may also weaken the heart over time.

  • Diabetes and obesity: Both are associated with a higher risk of cardiovascular disease and can contribute to changes in heart muscle function.

  • Sleep apnea: Repeated interruptions in breathing during sleep can cause oxygen levels to fall and place additional strain on the cardiovascular system.

  • Kidney disease: The heart and kidneys influence each other's function. Kidney problems can contribute to fluid retention, high blood pressure, and changes in mineral levels.

  • Anemia and iron deficiency: Low hemoglobin or insufficient iron can reduce oxygen delivery and worsen fatigue and exercise intolerance in people with heart failure.

  • Thyroid disorders: An overactive or underactive thyroid can affect heart rate, rhythm, and the workload placed on the heart.

  • Excess alcohol: Heavy, long-term alcohol consumption can damage the heart muscle and contribute to cardiomyopathy.

  • Cancer treatments: Some chemotherapy medicines and radiation involving the chest can affect heart function. People receiving potentially cardiotoxic treatment may need cardiovascular monitoring.

  • Infections and congenital heart conditions: Certain viral infections can inflame the heart muscle, while congenital structural abnormalities can place extra strain on the heart from an early age.

How Is Heart Failure Diagnosed?

Heart failure is diagnosed using a combination of medical history, physical examination, blood tests, and heart imaging. A cardiologist asks about symptoms, when they began, what makes them worse, and whether there is a history of high blood pressure, coronary artery disease, diabetes, or other risk factors. During the examination, the doctor may listen to the heart and lungs, check the pulse and blood pressure, and look for swelling in the legs or signs of fluid buildup.

No single test is sufficient in every case. The results are considered together to establish whether heart failure is present, identify the type, assess its severity, and investigate the underlying cause.

Blood Tests

Blood tests help assess heart strain, organ function, and conditions that may contribute to symptoms.

  • BNP and NT-proBNP: These are substances released by the heart when its walls are stretched by increased pressure or volume. Higher levels can support a diagnosis of heart failure, although age, kidney function, heart rhythm, and other factors can affect the results.

  • Kidney function and electrolytes: Creatinine, estimated glomerular filtration rate (eGFR), sodium, and potassium help assess kidney function and guide the safe use of heart failure medicines.

  • Complete blood count and iron studies: Hemoglobin testing can identify anemia, while ferritin and other iron tests help detect iron deficiency.

  • Thyroid function tests: Thyroid-stimulating hormone and thyroid hormone measurements can identify thyroid disorders that may affect heart function.

  • Blood glucose and other tests: Glucose or HbA1c may be used to assess diabetes, while additional tests are selected according to the person's symptoms and medical history.

A BNP or NT-proBNP result is not interpreted in isolation. A low result can make heart failure less likely in an appropriate clinical setting, while an elevated result needs to be considered alongside examination and imaging findings.

Echocardiogram, ECG, and Chest X-Ray

An echocardiogram is one of the central tests for evaluating heart failure. It uses ultrasound to show the heart's chambers, valves, wall movement, and pumping function. It also measures the left ventricular ejection fraction and can provide information about how well the heart relaxes and fills.

An electrocardiogram (ECG) records the heart's electrical activity. It can identify rhythm abnormalities, previous signs of a heart attack, and other electrical changes that may help explain the symptoms. A chest X-ray can show whether the heart is enlarged or whether fluid has accumulated in the lungs, although a normal X-ray does not rule out heart failure.

Further Tests to Find the Cause

Additional investigations depend on the suspected cause and the information needed to plan treatment:

  • Stress testing: Assesses how the heart responds to physical activity or medication-induced stress. It may help identify reduced blood flow to the heart muscle.

  • MRI (Cardiac MRI): Provides detailed images of heart structure and tissue and may help identify inflammation, scarring, or certain forms of cardiomyopathy.

  • Coronary angiography: Uses a contrast agent and X-ray imaging to show blood flow through the coronary arteries when narrowed or blocked arteries are suspected.

  • Heart rhythm monitoring: A Holter monitor or another ambulatory ECG device records the heart's electrical activity over an extended period to detect intermittent rhythm abnormalities.

In selected cases, CT scan (cardiac CT) or other specialist investigations may also be needed.

Heart Failure Treatment

Heart failure treatment aims to reduce symptoms, prevent the condition from worsening, lower the risk of hospitalization, and help people live longer. The treatment plan depends on the ejection fraction, the cause of heart failure, other medical conditions, kidney function, blood pressure, and the person's overall health. Most people need a combination of medicines and lifestyle measures, with devices or procedures considered when specific problems are present.

Treatment is reviewed over time. Medicines may be introduced gradually and adjusted according to symptoms, blood pressure, heart rate, kidney function, and blood test results. Even when symptoms improve, ongoing follow-up is important because heart failure can change and treatment may need to be modified.

Medications for Heart Failure

For heart failure with reduced ejection fraction, treatment commonly includes four main groups of medicines, often described as the four pillars of guideline-directed medical therapy. They work in different ways to reduce strain on the heart and improve outcomes. Not every medicine is suitable for every person, and the combination is selected and adjusted by the treating cardiologist.

  • ACE inhibitors, ARBs, or ARNIs: These medicines help relax blood vessels and reduce the workload on the heart. An angiotensin receptor-neprilysin inhibitor (ARNI), such as sacubitril/valsartan, may be recommended instead of an ACE inhibitor or an angiotensin receptor blocker (ARB) in suitable people with reduced ejection fraction.

  • Beta blockers: These medicines slow the heart rate and reduce the effects of stress hormones on the heart. Specific beta blockers with evidence in heart failure are used when the person is clinically stable.

  • Mineralocorticoid receptor antagonists (MRAs): Medicines such as spironolactone or eplerenone help reduce the effects of aldosterone, a hormone involved in sodium and fluid retention. Kidney function and potassium levels need monitoring during treatment.

  • SGLT2 inhibitors: Originally developed to treat type 2 diabetes, these medicines also reduce the risk of worsening heart failure and hospitalization. Their benefits extend to people with heart failure who do not have diabetes, including those with mildly reduced or preserved ejection fraction.

  • Diuretics: Often called water pills, diuretics help the kidneys remove excess salt and water through urine. They can reduce swelling and breathlessness caused by fluid buildup, but they do not replace medicines that help slow disease progression.

The combination and strength of medicines are individualized. People with reduced ejection fraction may need all four main medicine classes if they can tolerate them, while treatment for preserved ejection fraction focuses on SGLT2 inhibitors, management of fluid retention, and control of related conditions. Other medicines may be used for selected patients according to heart rhythm, blood pressure, symptoms, and underlying disease. Regular blood tests are important because some treatments can affect kidney function or potassium levels.

Treating Related Conditions

Managing other health problems is an essential part of heart failure care. High blood pressure, diabetes, kidney disease, sleep apnea, thyroid disorders, and anemia can worsen symptoms or make treatment more complicated. Treating these conditions may improve overall health and reduce additional strain on the heart.

Iron deficiency deserves particular attention. Some people with heart failure have low iron stores even when they are not anemic. After appropriate testing, intravenous iron may be considered for selected people with symptomatic heart failure and iron deficiency. Treatment decisions depend on the type of heart failure, laboratory results, and clinical guidance.

Devices and Procedures

Some people benefit from an implanted cardiac device or a procedure to address a specific cause of heart failure. These treatments are not required for everyone and are recommended after assessment of heart function, symptoms, heart rhythm, and other clinical factors.

  • Implantable cardioverter-defibrillator (ICD): An ICD monitors the heart rhythm and can deliver an electrical shock to treat certain life-threatening abnormal rhythms. It may be considered for people with persistently reduced ejection fraction who meet clinical criteria despite appropriate medical treatment.

  • Cardiac resynchronization therapy (CRT): A specialized pacemaker coordinates the contractions of the heart's ventricles in selected people whose electrical signals are delayed or uncoordinated. This can improve pumping efficiency and symptoms in suitable patients.

  • Pacemakers: A conventional pacemaker may be needed when a slow heart rhythm contributes to symptoms or affects the ability to use other treatments.

  • Coronary procedures: Angioplasty and stenting may restore blood flow through narrowed coronary arteries. Coronary artery bypass surgery may be considered when the pattern of coronary disease and the person's overall condition make surgery appropriate.

  • Valve procedures: Repair or replacement of a severely narrowed or leaking heart valve may reduce the extra workload on the heart. The approach may involve open surgery or a catheter-based procedure, depending on the valve problem and the patient's suitability.

The decision to use an ICD or CRT is based on more than the ejection fraction alone. Heart rhythm, electrical conduction, symptoms, response to medication, and the likely benefit of the device all need to be considered.

Advanced Therapies

Some people continue to have severe symptoms despite appropriate medicines and device treatment. This may be described as advanced heart failure. A specialist heart failure team can assess whether additional therapies are appropriate and help coordinate care.

  • Left ventricular assist device (LVAD): A mechanical pump that helps move blood from the left ventricle to the aorta. It may be used in selected people with advanced disease, including as a bridge to heart transplantation or as long-term support when transplantation is not suitable.

  • Heart transplantation: May be considered for carefully selected patients whose heart failure remains severe despite other treatments.

  • Palliative care: Can be provided alongside active heart failure treatment. It focuses on relieving symptoms, supporting emotional and practical needs, helping with treatment decisions, and improving quality of life. It does not mean that disease-directed treatment has stopped or that a person is giving up.

Can Heart Failure Be Reversed or Cured?

Heart failure is usually a long-term condition, but heart function can improve when the underlying cause is treated and the right combination of medicines, procedures, and lifestyle changes is used. For example, treating a damaged heart valve, controlling a persistent abnormal rhythm, or managing inflammation of the heart muscle may lead to meaningful improvement in some people.

An improved ejection fraction does not always mean that the heart has returned to normal or that the risk of heart failure has disappeared. People whose heart function improves after treatment may still need long-term medication and regular monitoring. Whether heart failure can be reversed, and how much recovery is possible, depends on the cause, the extent of heart damage, and the response to treatment.

Living with Heart Failure: Self-Care and Lifestyle

Daily self-care helps people recognize changes early and follow the treatment plan between appointments. It does not replace medication or medical follow-up, but it can help reduce avoidable complications and provide useful information to the care team. The most appropriate routine depends on the person's symptoms, other health conditions, and the instructions provided by their cardiologist.

Daily Weights and Early Warning Signs

Weighing yourself regularly can help identify fluid retention before swelling or breathlessness becomes severe. Use the same scale, at around the same time each morning, ideally after urinating and before breakfast, and record the result. Sudden weight gain may be a sign that the body is retaining fluid.

Many care teams advise contacting them if weight increases by about 2–3 pounds (0.9–1.4 kg) in 24 hours or 5 pounds (2.3 kg) in a week. However, the threshold should be agreed individually because a person's usual weight and treatment plan matter.

Contact the care team if you notice:

  • Increasing swelling in the ankles, legs, or abdomen.

  • Worsening breathlessness during usual activities.

  • New or increased difficulty breathing when lying flat.

  • A rapid increase in weight over a short period.

  • A persistent cough or unusual fatigue.

Do not change diuretic doses unless your clinician has given you a clear plan for doing so.

Diet, Salt, and Fluids

A balanced eating pattern that includes vegetables, fruit, whole grains, and appropriate sources of protein supports cardiovascular health. Excess sodium can contribute to fluid retention in some people, so it is sensible to limit heavily salted and highly processed foods. However, strict sodium restriction is not appropriate for everyone, and the target should be individualized rather than based on a universal rule.

Fluid advice also varies. Some people with advanced symptoms or low blood sodium may need a fluid limit, while others do not need strict restriction. Follow the amount recommended by the treating team rather than limiting fluids independently.

A few heart healthy dietary considerations are particularly important:

  • Salt substitutes: Potassium-based products may be unsafe for people taking certain heart failure medicines because they can raise potassium levels.

  • Processed foods: Packaged meals, processed meats, salty snacks, and some canned foods can contain substantial amounts of sodium.

  • Alcohol: Discuss alcohol consumption with the cardiologist, particularly when alcohol may have contributed to heart muscle damage.

  • Dietary changes: Avoid restrictive diets or major changes in fluid or salt intake without medical advice.

Physical Activity and Cardiac Rehabilitation

Regular physical activity can improve stamina, muscle strength, and confidence in people whose heart failure is stable. The type and intensity of activity should be matched to symptoms and physical capacity. Walking, stationary cycling, and other low-impact activities may be suitable, but a person should not begin or intensify an exercise program during an episode of worsening heart failure without medical advice.

Cardiac rehabilitation provides supervised exercise and education for eligible patients. Programs may also include guidance on:

  • Nutrition and heart-healthy eating.

  • Medication use and treatment adherence.

  • Managing blood pressure, diabetes, and other risk factors.

  • Recognizing symptoms that may indicate worsening heart failure.

  • Returning safely to everyday activities.

Stop exercising and seek medical advice if activity causes chest pain, unusual breathlessness, dizziness, or palpitations.

Medicines to Avoid and Vaccinations

Some medicines can worsen fluid retention, affect kidney function, or interfere with heart failure treatment. Nonsteroidal anti-inflammatory drugs (NSAIDs), including ibuprofen and naproxen, may cause the body to retain sodium and water and can worsen heart failure in some people.

Before starting a new medicine or supplement, check with a doctor or pharmacist. This includes:

  • Over-the-counter pain relievers: Some NSAIDs can worsen fluid retention and kidney function.

  • Cold and flu medicines: Certain products can raise blood pressure or affect heart rate.

  • Herbal products and supplements: These may interact with prescribed heart medicines or affect potassium levels.

  • Prescription medicines for other conditions: Some may need review because of their effects on the heart, kidneys, or fluid balance.

Vaccination helps reduce the risk of infections that can place extra strain on the heart. People with heart failure are generally advised to stay up to date with influenza and pneumococcal vaccination, according to their age, health status, and local recommendations. Ask the treating team which vaccines are appropriate.

Heart Failure Prognosis and Life Expectancy

Heart failure life expectancy varies considerably. The outlook depends on the underlying cause, ejection fraction, stage of disease, age, kidney function, other medical conditions, symptom severity, and response to treatment. A person with stable heart failure who responds well to medication may have a very different outlook from someone with repeated hospitalizations or advanced disease.

Modern medicines, implanted devices, and improvements in the treatment of coronary artery and valve disease have improved outcomes for many people. Some patients experience substantial improvement in symptoms and heart function, while others need ongoing adjustments to treatment as the condition changes. No single survival rate can accurately predict an individual's experience, and figures based on groups of patients should not be treated as a personal forecast.

Regular follow-up allows the cardiology team to monitor symptoms, weight, blood pressure, kidney function, heart rhythm, and ejection fraction when appropriate. It also gives patients and families an opportunity to discuss treatment goals, future care preferences, and support needs. For people with advanced heart failure, palliative care and advance care planning can help ensure that treatment remains aligned with their priorities and quality of life.

Advanced Heart Failure and Cardiology Care at Medical Park

Medical Park's Cardiology Department evaluates and treats heart failure through a comprehensive approach that includes identifying the underlying cause, assessing heart function, and developing an individualized treatment plan. Cardiologists use diagnostic investigations such as ECG, echocardiography, cardiac stress testing, Holter monitoring, cardiac CT and MRI, and coronary angiography to evaluate the heart's pumping ability, identify structural or electrical abnormalities, and investigate coronary artery disease.

These assessments help determine the type and severity of heart failure and whether the patient needs medication optimization, further testing, or an interventional procedure. A cardiac screening may also help assess cardiovascular risk factors and identify problems that require further investigation.

Treatment is tailored to the patient's condition and may involve medication to control symptoms, improve heart function, and manage contributing conditions such as high blood pressure, coronary artery disease, or abnormal heart rhythms.

When indicated, Medical Park's cardiology services include pacemaker and implantable defibrillator procedures, including cardiac resynchronization therapy with biventricular devices. Cardiologists also work in coordination with the Cardiovascular Surgery Department when a patient needs surgical treatment for coronary artery or heart valve disease.

Depending on the underlying problem, this may involve procedures such as coronary artery bypass surgery or heart valve repair or replacement. Cardiac rehabilitation can further support patients after treatment by helping them improve physical capacity, resume daily activities safely, and manage cardiovascular risk factors.

For international patients, Medical Park’s International Patient Services Center coordinates communication and practical arrangements throughout the medical journey in Turkey, including appointment planning and coordination with the treating team. 

Frequently Asked Question

Sıkça Sorulan Sorular

Early symptoms of heart failure may include shortness of breath during physical activity, unusual fatigue, reduced exercise tolerance, and swelling in the feet or ankles. Some people also experience a persistent cough, rapid heartbeat, or difficulty breathing when lying flat.

Coronary artery disease and high blood pressure are among the most common causes of heart failure. Other causes include previous heart attacks, cardiomyopathy, heart valve disease, abnormal heart rhythms, diabetes, and certain infections or congenital heart conditions.

Heart failure is commonly classified according to the heart's ejection fraction, which measures how much blood the left ventricle pumps out with each contraction. The main types are heart failure with reduced ejection fraction (HFrEF), mildly reduced ejection fraction (HFmrEF), and preserved ejection fraction (HFpEF).

The American College of Cardiology and American Heart Association classify heart failure into four stages, from A to D. Stage A indicates a risk of developing heart failure, while Stage D describes advanced heart failure with persistent symptoms that may require specialized treatment.

Diagnosis involves reviewing symptoms and medical history, performing a physical examination, and assessing heart function. Tests may include an electrocardiogram (ECG), echocardiogram, chest X-ray, blood tests for BNP or NT-proBNP, and additional imaging or cardiac investigations when needed.

Heart failure is generally a chronic condition, but treatment can often control symptoms, improve heart function, and slow disease progression. In some cases, treating the underlying cause can lead to significant improvement or recovery of heart function.

Treatment depends on the type, stage, underlying cause, and severity of the condition. It may include medications, lifestyle adjustments, cardiac rehabilitation, implanted devices such as pacemakers or defibrillators, and procedures to treat coronary artery or heart valve disease.

Many people with stable heart failure can benefit from regular, appropriately supervised physical activity. A healthcare professional should assess exercise tolerance and recommend a suitable activity plan, often through a cardiac rehabilitation program.

A heart attack occurs when blood flow to part of the heart muscle is suddenly blocked, damaging the tissue. Heart failure is a condition in which the heart cannot pump blood effectively enough to meet the body's needs; a heart attack can cause or contribute to its development.

Life expectancy varies depending on the underlying cause, severity, age, other health conditions, and response to treatment. Early diagnosis, appropriate medication, management of contributing conditions, and regular follow-up can improve symptoms and outcomes.

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Date Of Edit
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Prof. MD. Kenan Sönmez

Prof. MD.

Kenan Sönmez

Cardiology

This content was developed with contributions from the  Medical Park Editorial Board  . It is intended for informational purposes only. Please consult a qualified physician regarding any medical condition or treatment

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