In-depth

Causes

Heart disease

Heart disease, usually thought of as blockages in the arteries that can cause a heart attack, can describe any medical condition affecting your heart.

Risk factors

Heart disease risk calculator

Find out your heart disease risk and what you can do to reduce it.

Secondhand smoke

Symptoms

Abdominal pain

Find out what causes different types of abdominal pain.

Fatigue

Heart attack symptoms

Heartburn or chest pain?

Nausea and vomiting

Shortness of breath

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

Symptom Checker

Foot pain? Headache? Sore throat? Skin rash? Use the Symptom Checker to find out what's causing your symptom.

Tests and diagnosis

Cardiac catheterization

Cardiac catheterization is used as a test for some heart conditions and as a procedure to treat some types of heart disease. Find out more.

Chest X-rays

Coronary angiogram

A coronary angiogram uses special X-rays to examine the inside of your heart's blood vessels. Find out what to expect when you have the procedure.

Echocardiogram

Electrocardiogram

Stress test

Treatments and drugs

Cardiopulmonary resuscitation (CPR): First aid

Heart attack

Niacin can boost 'good' cholesterol

Nov. 15, 2014