In-depth

Symptoms

Bradycardia

Dizziness

Fatigue

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

Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.

Tests and diagnosis

Electrocardiogram

Holter monitor

Treatments and drugs

Cardiac ablation

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.

May 13, 2014