Common Heart Conditions

  • Arrhythmia (dysrhythmia): An abnormal heart rhythm due to changes in the conduction of electrical impulses through the heart. Some arrhythmia are are life-threatening.
  • Atrial fibrillation: Abnormal electrical impulses in the atria cause an irregular heartbeat. Atrial fibrillation is one of the most common arrhythmia.
  • Cardiac arrest: Sudden loss of heart function.
  • Cardiomyopathy: A disease of heart muscle in which the heart is abnormally enlarged, thickened, and/or stiffened.
  • Congestive heart failure: The heart is either too weak or too stiff to effectively pump blood through the body. Shortness of breath and leg swelling are common symptoms.
  • Coronary artery disease: Cholesterol plaques narrow the arteries supplying blood to the heart. The narrowed arteries are at higher risk for complete blockage from a sudden blood clot (this blockage is called a heart attack).
  • Endocarditis: Inflammation of the inner lining or heart valves of the heart.
  • Heart murmur: An abnormal sound from heart. Some suggest heart disease.
  • Heart valve disease: If one of four heart valves caused any severe problem, it can cause congestive heart failure.
  • Myocardial infarction (heart attack): A coronary artery is suddenly blocked.
  • Myocarditis: Inflammation of the heart muscle, most often due to a viral infection.
  • Pericarditis: Inflammation of the lining of the heart (pericardium). Viral infections, kidney failure, and autoimmune conditions are common causes.
  • Pulmonary embolism: Typically a blood clot travels through the heart to the lungs. 
  • Stable angina pectoris: Narrowed coronary arteries cause predictable chest pain or discomfort with exertion. The blockages prevent the heart from receiving the extra oxygen needed for strenuous activity. 
  • Sudden cardiac death: Death caused by a sudden loss of heart function (cardiac arrest).


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