In-depth

Causes

Heart arrhythmias

Hyperthyroidism

Complications

Erectile dysfunction

Symptoms

Fatigue

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

CT scan

MRI

MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.

Treatments and drugs

Thyroidectomy

July 01, 2014