Melena
Melena is black tarry feces associated w/ upper GI bleeding, or even the ascending colon. Pathophysiology Black color is caused by the hemoglobin in blood being altered by digestive chemicals and intestinal...
Urine
Urine is a liquid by-product of the body, secreted by the kidneys through a process called urination/micturation, and ecreted through the urethra. Characteristics Quantity, which is normally 1.4L, ranging from 0.6-2.6L per...
Insulin
Insulin [analog] (aka insulin receptor ligand) is an altered form of insulin, differing from any occurring in nature, but still avialable to the human body for performing the same action...
IV cannulation
IV cannulation (IVC, aka peripheral venous catheter) is the insertion of a cannula into a vein. Arterial cannulation is a variation involving insertion into an artery (commonly the radial artery) to...
Anesthetic
Anesthetic is a drug causing anesthesia (from Greek "ana" meaning "without", "ethesia" meaning "sensation", i.e. temporary loss of sensation). It is distinct from analgesics/painkillers which relieve pain without eliminating sensation. They are used to...
Corticosteroid
Corticosteroids are anti-inflammatory. Topical steroid is topical form of corticosteroid. Purpose Tx rash, eczema, dermatitis Tx asthma → reduce airway inflammation Antenatal corticosteroids → given to women expecting preterm delivery. It is used help the lungs of a premature...
Route of administration
Route of administration is the path by which a drug is taken into the body. Oral po is shorthand for Per oral Rectally PR is shorthand for Per rectum (it can also refer to Rectal...
Otoscopy
Otoscope (aka auriscope) is a device used to look into the ears, especially the outer and middle ear, by providing a view of the ear canal and tympanic membrane (aka eardrum,...
Mouth rinse
Mouth rinse (aka mouthwash, oral rinse, mouth bath) is a liquid held in the mouth passively or swilled around the mouth Ingredients Saline (warm salty water) Essential oils (e.g. eucalyptol, menthol, thymol, methyl...
Cancer staging
Cancer staging is the process of determining the extent to which a cancer has spread. [faq]What is cancer staging? Working out how far cancer has spread.[/faq] Purpose Help to plan Tx, particularly the need...
Definition count: 2819
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