Perineal tear is an unintended laceration of the skin and other soft tissue structures separating the vagina from the anus. Tears vary in severity. [faq]What is a perineal tear? It's where as...

Chickenpox (aka varicella) is a highly contagious disease caused by initial infection with varicella zoster virus (VZV). [faq]What is chickenpox? Anything to do with chickens? Not chickens, but chickpeas, or garbanzo beans....

Chromosomal abnormality (aka chromosomal anomaly, aberration, or mutation), is an abnormality of chromosomal DNA. The most common chromosomal abnormalities include: [[Angelman syndrome]] [[Down syndrome]] [[Klinefelter syndrome]] [[Prader-Willi syndrome]] [[Turner syndrome]] [faq]What's the difference between a chromosomal...

Osler's nodes are painful, red, raised lesions found on the hands and legs, associated with infective endocarditis. Pathophysiology Caused by deposition of immune complexes, resulting in swelling, redness, and pain. [img]oslers-node-vs-janeway-lesion.gif[/img] Source: Stanford University

Menstruation (aka period, monthly) is the periodic discharge of blood and mucosal tissue from the endometrium (i.e. inner lining of the uterus) through the vagina. [faq]What's menstruation? It's where a woman bleeds periodically,...

Bowel movement (aka defecation) is the final act of digestion, whereby waste (solid, semisolid or liquid) is eliminated from the digestive tract via the anus. The expulsion of waste varies...

Pregnancy tests, which detect hormones generated by the newly formed placenta. These tests can detect pregnancy after implantation, which is 6-12 days after fertilization. Types Blood tests are more sensitive than urine...

Radiocontrast agent are types of medical contrast medium, used to improve the visibility of internal bodily structures in x-ray-based imaging techniques, e.g. CT, radiography, and fluoroscopy. It is typically iodine...

Life support are emergency techniques performed support life after the failure of one or more vital organs. [faq]What is life support? It's where you try to "support life", after 1 or more...

Atelectasis (from Greek "atelec" meaning "incomplete", and "ectasis" meaning "extension") is collapse/closure of the lung, causing reduced/absent gas exchange. Pathophysiology It may affect part or all of 1 lung Condition where the alveoli...