In-depth

Symptoms

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

CT scan

A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.

Treatments and drugs

Chemotherapy

Find out what to expect as you prepare for chemotherapy treatment.

Jul. 10, 2012