In-depth

Causes

Allergies

Allergy symptoms can make you miserable and in some cases, they're life-threatening. Here's some information about allergies — and tips on treating allergy symptoms.

Heart arrhythmias

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

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.

Sick sinus syndrome

Sick sinus syndrome is the name for a group of heart rhythm problems in which the heart's natural pacemaker isn't working properly.

Prevention

Fast food

Is fast food on your menu tonight? You don't need to give up your weight-loss plans for this quick meal. Just be choosy.

Fitness motivation

Having trouble sticking with your workout? Try these tips to reignite your enthusiasm.

Spirituality and stress relief

Cultivating your spirituality can help you establish your priorities, focus on what matters most to you and reduce your level of stress.

Symptoms

Dizziness

Dizziness is one of the most common health concerns. However, few cases of dizziness are due to serious conditions.

Fatigue

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

Shortness of breath

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

Vasovagal syncope

Vasovagal syncope (fainting) is a sudden and brief loss of consciousness that occurs when the blood flow to your brain is markedly reduced.

Tests and diagnosis

Electrocardiogram

An electrocardiogram (ECG or EKG) is a test that provides valuable clues about your heart health. Here's what you need to know about the test.

Stress test

A stress test is used to diagnose coronary artery disease and heart arrhythmias, as well as guide treatment of heart disorders.

Tilt table test

A tilt table test is used to investigate the cause of fainting (syncope).

Treatments and drugs

Pacemaker

A pacemaker can correct a heartbeat that's too slow. Find out the risks, results and recovery time of the procedure to implant a pacemaker.

May. 26, 2011