In-depth

Complications

Heart failure

Heart failure means your heart can't efficiently pump blood throughout your body. Medications, and sometimes devices or surgery, can help you manage this condition.

Low blood pressure (hypotension)

Low blood pressure (hypotension) can be a sign of good health or of a life-threatening condition. Find out more about hypotension's causes and treatment options.

Stroke

Stroke occurs when the blood supply to part of your brain is interrupted, depriving brain tissue of oxygen and nutrients. Stroke is a medical emergency.

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.

Tests and diagnosis

CT scan

A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.

Ultrasound

Ultrasound imaging uses high-frequency sound waves to create images of structures in your body.

Apr. 27, 2012

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