In-depth

Causes

Heart arrhythmias

Risk factors

Cardiomyopathy

Symptoms

Abdominal pain

Find out what causes different types of abdominal pain.

Enlarged spleen

An enlarged spleen is usually a sign of an underlying problem. Treatment varies, depending on what's causing the enlargement.

Fatigue

Headache

Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.

Nausea and vomiting

Tests and diagnosis

Electrocardiogram

Upper endoscopy

X-ray

Treatments and drugs

Heart transplant

Pacemaker

A pacemaker can correct a heartbeat that's too slow. Find out the risks, results and recovery time of the procedure to implant a pacemaker.

June 07, 2014