Symptoms and Causes

Overview When the heart cannot pump enough blood to meet the body’s needs, a serious emergency occurs. This condition happens most often after a severe heart…

Overview A subarachnoid hemorrhage is a type of stroke that requires immediate medical attention. It occurs when blood leaks into the space between the brain and…

Overview Rubella, also known as German measles or three-day measles, is a viral infection. It is characterized by a distinctive red rash. Most people experience mild…

Overview Autonomic neuropathy happens when nerves that control automatic body functions get damaged. This nerve damage affects how the brain talks to organs like the heart…

What to Know about Joint Infections Joint infections need fast treatment to prevent lasting damage. Doctors use two main approaches: draining the infected fluid and giving…

Understanding Blood Vessel Connections An AV fistula happens when an artery connects directly to a vein, bypassing the tiny blood vessels called capillaries. This abnormal connection…

Overview Pediatric obstructive sleep apnea occurs when a child experiences partial or complete blockage of breathing during sleep. This condition causes breathing to temporarily stop and…

What Is Peritonitis? Peritonitis is a serious medical condition. It occurs when the peritoneum—the thin tissue layer lining the inside of the abdomen—becomes inflamed. This inflammation…

Overview Constipation affects many children. It is marked by hard, dry stools or infrequent bowel movements. Several factors can cause this condition, with early potty training…

Sick sinus syndrome (SSS) is a heart rhythm disorder. It is also known as sinus node dysfunction. The sinus node is a group of cells in…