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What Causes Congestive Heart Failure?

What is congestive heart failure?

A man with congestive heart failureSeveral factors can cause congestive heart failure including high blood pressure, coronary artery disease, cardiomyopathy, diabetes, and others.

Heart failure is a condition in which the heart is unable to pump blood to body tissues efficiently. Congestive heart failure is a chronic disease that progresses with time if left untreated. Heart failure can occur due to diseases of the heart, the blood vessels supplying oxygen and nutrients to the heart, or sometimes from factors outside the heart (extracardiac causes). A healthy lifestyle plays a role in the treatment and prevention of congestive heart failure.

What are the stages of congestive heart failure?

Based on the symptoms and the amount of effort required to provoke them, the New York Heart Association (NYHA) has divided degrees of heart failure into four classes:

  • Class I: Patients have no limitation of physical activity.
  • Class II: Patients have a slight limitation of physical activity.
  • Class III: Patients have marked limitations of physical activity.
  • Class IV: Patients have symptoms even at rest and are unable to carry on any physical activity without discomfort.

What causes congestive heart failure?

Several factors can cause congestive heart failure. They include:

What are the early signs of congestive heart failure?

The initial stage of congestive heart failure may not cause symptoms. As the disease progresses, the symptoms become more obvious and interfere with activity. Symptoms of heart failure include the following:

What are the complications of heart failure?

  • Arrhythmia (disorders of heart rhythm)
  • Kidney damage
  • Liver damage
  • Damage to heart valves
  • Damage to heart muscles
  • Fluid in the lungs
  • Death

What is the life expectancy of a person with heart failure?

The prognosis after heart failure depends on many factors:

  • Severity or stage of congestive heart failure
  • Age of the patient
  • Promptness and adequacy of treatment
  • Lifestyle measures
  • Genetics
  • Presence of other diseases like diabetes and high blood pressure
  • Addictions like smoking and alcohol

Although heart failure is a serious condition, it does not mean that the heart stops functioning altogether. With proper management, persons who have congestive heart failure can lead nearly normal lives, depending on its severity. Besides the required medical and surgical interventions, it is important to eat healthy, stay active as possible, and refrain from alcohol, smoking, and drug abuse. According to the U.S. Centers for Disease Control and Prevention (CDC), almost half of the patients with congestive heart failure live beyond five years.


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