In-depth

Anxiety

Atrioventricular canal defect

Atrioventricular canal defect is a congenital heart defect involving a hole in the center of the heart and abnormal valves between the heart's chambers.

Autonomic neuropathy

Coarctation of the aorta

Coarctation of the aorta is a cardiovascular defect resulting in a narrowing of the aorta, the blood vessel that delivers oxygen-rich blood to your body.

Epidermolysis bullosa

Heart murmurs

Heat exhaustion

Hidradenitis suppurativa

Hidradenitis suppurativa is a chronic and often painful skin disease. Early diagnosis and treatment offer hope for managing the symptoms.

Leukemia

Pheochromocytoma

Pituitary tumors

Pituitary tumors are abnormal growths in the pituitary gland in the brain. Most are noncancerous (benign). Some may cause overproduction of hormones and associated problems.

Porphyria

Porphyria is a group of inherited disorders that result from buildup of natural chemicals call porphyrins, which can cause nervous system and skin problems.

Pulmonary edema

Serotonin syndrome

Serotonin syndrome — caused by mixing some antidepressants and other medications — can be life-threatening if left untreated.

Spontaneous coronary artery dissection (SCAD)

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

Sept. 21, 2012