Developmental delay (aka delayed milestone) is where a child doesn't reach 1 of the milestone stages at the expected age, which can be in one of the 4 developmental domains: However, a wide...

Endometrial biopsy is a procedure that involves taking a tissue sampling of the endometrium (lining of the uterus). The tissue subsequently undergoes a histologic evaluation, which aids the Dr in...

Hyperthermia is elevated body temperature, due to failed thermoregulation that occurs when the body produces or absorbs more heat than it dissipates. Extreme temperature elevation is a medical emergency and...

Infarction is tissue death (necrosis), caused by a local lack of oxygen, due to an obstruction of the tissue's blood supply. The resulting lesion is referred to as an infarct...

Jaundice (from French "jaun" meaning "yellow", aka icterus) is yellowish pigmentation of the skin, conjunctiva, and other mucous membranes. [faq]What does jaundice mean? It sounds like someone who's being a bit...

Pancreatic cancer is cancer originating in the pancreas. Sx Asymptomatic, usually in the disease's early stages If a cancer in the head of the pancreas, obstructs the common bile duct, as it runs through...

Visceral pain is pain due to activation of nociceptors of the thoracic, pelvic, or abdominal viscera (organs). Sx Pain that is: Diffuse Difficult to localize Sickening Deep Squeezing Dull Referred to a distant, usually superficial, structure Nausea Vomiting Changes in vitals Emotional manifestations Pathophysiology Visceral...

Pleural effusion (aka water on the lung) is excess fluid accumulating between the 2 pleural layers that surround the lungs. Pathophysiology Although normally containing fluid, excessive amounts can impair breathing by limiting the...

Tay-Sachs disease (aka GM2 gangliosidosis or hexosaminidase A deficiency) is a rare autosomal recessive genetic disorder. In its most common variant (infantile Tay-Sachs disease), it causes a progressive deterioration of...

Hyperosmolar hyperglycemic [nonketotic] syndrome (HHS, aka hyperosmolar non-ketotic coma, HONK, nonketotic hyperosmolar coma) is a complication of diabetes mellitus (predominantly type 2), in which hyperglycemia (high blood sugars) cause severe...