Acute

Appendicitis is inflammation of the appendix, affecting roughly 1 in 13 to 1 in 14 people during their lifetime. It is t...

Kidney stones nephrolithiasis affect approximately 1 in 11 people in the United States. Stones form when urine becomes s...

Stroke is the second leading cause of death and a leading cause of disability worldwide. There are two main types: ische...

Deep vein thrombosis DVT is a blood clot in the deep veins, usually of the legs. The clot can break off and travel to th...

A concussion is a mild traumatic brain injury mTBI caused by a bump, blow, or jolt to the head or body that causes the b...

Vertigo is the sensation of spinning or movement when the body is stationary. It is a symptom, not a diagnosis, and affe...

Anaphylaxis is a severe, potentially life threatening allergic reaction that occurs rapidly, usually within minutes to h...

Heat illness ranges from heat cramps and heat exhaustion to heat stroke, a life threatening condition. Heat exhaustion p...

Carbon monoxide CO is a colorless, odorless gas produced by incomplete combustion of carbon based fuels. It is one of th...

Shock is a life threatening condition of inadequate tissue perfusion resulting in cellular hypoxia and organ dysfunction...

Dehydration occurs when the body loses more fluid than it takes in, disrupting normal physiological functions. It ranges...

Dizziness is one of the most common reasons for medical visits, particularly in older adults. The term encompasses multi...

Hyponatremia, serum sodium below 135 mEq L, is the most common electrolyte disorder in hospitalized patients, occurring ...

Hypoglycemia, low blood glucose usually defined as below 70 mg dL 3.9 mmol L, most commonly occurs as a complication of ...

Hypokalemia, serum potassium below 3.5 mEq L, is one of the most common electrolyte abnormalities. Causes include inadeq...