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Acute Coronary Syndrome

Acute coronary syndrome is an emergency caused by blocked heart arteries. Learn about symptoms, causes and treatment options for this condition.

Coronary Artery Disease: Diagnosis & Treatment

How is coronary artery disease diagnosed and treated? Learn about ECG, angiography, stents, bypass surgery, and the medications used to manage this co...

Myocardial Ischemia

Myocardial ischemia occurs when blood flow to the heart muscle is insufficient and can be a precursor to heart attack. Learn about its symptoms, cause...

Spontaneous Coronary Artery Dissection (SCAD)

SCAD is a rare cause of heart attack in which the coronary artery wall tears spontaneously, most often affecting young women. Learn about its symptoms...

Sudden Cardiac Arrest

Sudden cardiac arrest is a life-threatening emergency in which the heart stops pumping effectively. Learn about symptoms, causes, emergency response a...

Dilated Cardiomyopathy

Dilated cardiomyopathy is a heart muscle disease in which the heart enlarges and weakens. Learn about symptoms, causes, diagnosis and treatment options.

Bundle Branch Block

Bundle branch block is a delay or interruption in the heart's electrical conduction system. Learn about types, symptoms, causes, diagnosis and treatme...

Cardiogenic Shock

Cardiogenic shock is a life-threatening condition in which the heart is suddenly unable to pump enough blood to meet the body's needs.

Aortic Valve Regurgitation

Aortic valve regurgitation occurs when the aortic valve fails to close fully and blood leaks backward into the heart. Learn about symptoms, causes and...

Heart Attack: Diagnosis & Treatment

A heart attack is diagnosed with an ECG, troponin test, and angiography. Learn about angioplasty, stenting, medications, and cardiac rehabilitation.

Angina

Angina (angina pectoris) is chest pain or discomfort that occurs when the heart muscle does not receive as much oxygen-rich blood as it needs.

Chest Pain

Chest pain can have many causes, from heart attack to acid reflux. Learn what different types of chest pain mean, when it is an emergency, and how it ...

Heart Valve Disease

Heart valve disease occurs when one or more heart valves fail to open or close properly. Learn about types, symptoms, causes, diagnosis and treatment ...

Mitral Valve Regurgitation

Mitral valve regurgitation occurs when the mitral valve fails to close fully and blood leaks backward in the heart. Learn about symptoms, causes and t...

Myocarditis

Myocarditis is an inflammation of the heart muscle that can cause chest pain, arrhythmias, and heart failure, especially in young people. Learn about ...

Ventricular Fibrillation

Ventricular fibrillation is a life-threatening arrhythmia where the ventricles quiver chaotically. Learn about symptoms, causes, emergency treatment a...