In-depth

Causes

Brugada syndrome

Diabetic hypoglycemia

Hyperthyroidism

Hypoglycemia

Long QT syndrome

Sick sinus syndrome

Complications

Aortic valve regurgitation

Aortic valve stenosis

Mitral valve stenosis

Spontaneous coronary artery dissection (SCAD)

Find out about this rare cause of heart attack in young, healthy people.

Lifestyle and home remedies

Coping with job stress

Relaxation techniques

Symptoms

Dizziness

Heart palpitations

Heart palpitations are skipped, fluttering or racing heartbeats that aren't usually a symptom of a serious heart problem. Discover the causes and symptoms of this condition.

Shortness of breath

Tachycardia

Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.

Tests and diagnosis

Chest X-rays

Echocardiogram

Electrocardiogram

Holter monitor

April 02, 2014