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Heart failure

An educational overview concisely summarizing the definition, causes, symptoms, diagnosis, management, and research evidence of heart failure

heart failure · cardiac failure · cardiac insufficiency · failure, heart · heart failure · insufficiency, Cardiac

MONDO:0005252Public QA completeSource-bound · 4

Disease at a glance

Start with the essentials, then explore the patient and research views.

Public revision · ad294a5eb1d8

Disease category
Heart failure is a condition in which the heart cannot pump enough oxygen-rich blood to meet the body's needs, and it does not mean that the heart has stopped.
Core mechanism
Coronary artery disease, myocardial infarction, hypertension, arrhythmia, cardiomyopathy, valvular disease, and congenital heart disease can be causes of heart failure.
Main causes · related factors
When the heart's pumping function or its relaxation/filling function declines, blood flow to organs is reduced, and blood and body fluids become stagnant, leading to symptoms.
Representative patterns
Typical manifestations include dyspnea during exertion, fatigue and weakness, cough, edema of the ankles, legs, and abdomen, and weight gain.
Individual differences
Advanced age, family history and genetic factors, smoking, alcohol consumption, lack of exercise, obesity, diabetes, kidney disease, and sleep apnea can influence individual differences in risk and prognosis.
Diagnosis
In the early stages, symptoms may be absent or mild, but as the condition progresses, dyspnea, orthopnea, loss of appetite, and edema may worsen, and sudden exacerbations may also occur.
Management
Diagnosis is made by comprehensively evaluating symptoms, medical history, family history, physical examination, cardiac tests, and blood tests, which may include BNP testing.
Treatment/Research Status
Diagnosis and severity assessment require considering left and right heart involvement, etiology, functional status, and test results of heart failure together; they are not confirmed by a single symptom or test alone.
Read Evidence
Management involves addressing causes and exacerbating factors, implementing prescribed medications and lifestyle modifications, monitoring changes in symptoms, and coordinating with cardiology specialist care and rehabilitation when necessary.
Key Precautions
Generally, there is no single treatment that guarantees a cure for heart failure; however, treatment can help reduce symptoms and prolong survival, and long-term management is often required.

For patients and families

A structured guide for understanding the disease and preparing for clinical conversations.

At a Glance

Heart failure is a condition in which the heart cannot pump enough oxygen-rich blood to meet the body's needs, and it does not mean that the heart has stopped.

Typical manifestations include dyspnea during exertion, fatigue and weakness, cough, edema of the ankles, legs, and abdomen, and weight gain.

How the disease works

Coronary artery disease, myocardial infarction, hypertension, arrhythmia, cardiomyopathy, valvular disease, and congenital heart disease can be causes of heart failure.

When the heart's pumping function or its relaxation/filling function declines, blood flow to organs is reduced, and blood and body fluids become stagnant, leading to symptoms.

Variations in presentation among individuals

Advanced age, family history and genetic factors, smoking, alcohol consumption, lack of exercise, obesity, diabetes, kidney disease, and sleep apnea can influence individual differences in risk and prognosis.

The broad framework of diagnosis and management

In the early stages, symptoms may be absent or mild, but as the condition progresses, dyspnea, orthopnea, loss of appetite, and edema may worsen, and sudden exacerbations may also occur.

Diagnosis is made by comprehensively evaluating symptoms, medical history, family history, physical examination, cardiac tests, and blood tests, which may include BNP testing.

Current status of treatment

Diagnosis and severity assessment require considering left and right heart involvement, etiology, functional status, and test results of heart failure together; they are not confirmed by a single symptom or test alone.

Management involves addressing causes and exacerbating factors, implementing prescribed medications and lifestyle modifications, monitoring changes in symptoms, and coordinating with cardiology specialist care and rehabilitation when necessary.

Generally, there is no single treatment that guarantees a cure for heart failure; however, treatment can help reduce symptoms and prolong survival, and long-term management is often required.

How to read clinical trials

During follow-up, changes such as dyspnea and edema, as well as sudden exacerbations, must be monitored; the mere existence of a registered observational study does not imply treatment efficacy or adoption of standard care.

Points to verify during clinical consultations

In clinical practice, it is important to confirm the onset and changes in symptoms, underlying cardiac and systemic diseases, medications taken, test results, changes in daily function, criteria for contact when worsening, and follow-up plans.

Medical Guidance

This material is for educational purposes and is not intended as guidance for individual diagnosis or treatment.

Evidence and sources

A trial registry status does not establish efficacy or regulatory approval.