In-depth

Causes

Heart arrhythmias

A heart arrhythmia is an abnormal heart rhythm. Arrhythmias can be a byproduct of damage to the heart from disease or age.

Molar pregnancy

Molar pregnancy — Comprehensive overview covers symptoms, treatment of this tumor in the uterus.

Symptoms

Fatigue

Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.

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.

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.

Unexplained weight loss

Unexplained weight loss: Symptom — Overview covers possible causes of unexplained weight loss.

Treatments and drugs

Thyroidectomy

Thyroidectomy is surgery to remove all or part of your thyroid gland. Thyroidectomy may be used to treat thyroid disorders, including cancer, goiter and hyperthyroidism.

Nov. 20, 2012