In-depth

Symptoms

Fatigue

Heart murmurs

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.

Wheezing

Tests and diagnosis

Chest X-rays

CT scan

Echocardiogram

Electrocardiogram

Stress test

April 26, 2014