Cold urticaria

Drug addiction

Drug allergy

Heart arrhythmias

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.



Iron deficiency anemia

Iron deficiency anemia may leave you feeling sapped of energy. This condition is especially common in women. Iron supplements usually help.


Amniotic fluid embolism


You normally lose about 10 cups (2.4 liters) of water every day — much more during exercise or illness. Learn how to stay hydrated.

Generalized anxiety disorder

Guillain-Barre syndrome

Heart failure

Pectus excavatum

Pericardial effusion

Pericardial effusion, the accumulation of excess fluid in the sac-like structure around the heart, can decrease heart function and can be life-threatening.


Spontaneous coronary artery dissection (SCAD)

Find out about this rare cause of heart attack in young, healthy people.

Ventricular fibrillation


Alcohol use

Drinking alcohol might offer some health benefits. But that's only if you drink responsibly and in moderation.

Caffeine: How much is too much?

Fitting in fitness

Finding time for fitness can be tough. Start by making it convenient.

How to say no

Discover why saying no may be the single most important strategy you can use for stress relief.

Ingredient substitutions

Healthier recipes may be as close as your own pantry. See which ingredient substitutions you can make to improve your diet.

Risk factors

Panic attacks and panic disorder



Heart palpitations

Heart palpitations are skipped, fluttering or racing heartbeats that aren't usually a symptom of a serious heart problem. Discover the causes and symptoms of this condition.

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


Holter monitor

Tilt table test

Treatments and drugs

Cardiac ablation


Implantable cardioverter-defibrillator


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 06, 2014