In-depth

Causes

Heart arrhythmias

Symptoms

Shortness of breath

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

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

Tests and diagnosis

Needle biopsy

Ultrasound

Treatments and drugs

Thyroidectomy

June 27, 2015