Category: H

A water-soluble contrast medium with high osmolarity. These agents increase the probability of an adverse reaction and are generally ionic.  

A soft, absorbent cloth folded into several layers, dipped in hot water 107° to 115°F (41.7° to 46.1°C), barely wrung out, and placed on the part to be treated. It is covered with a piece of cloth.  

A thin sheet of fibers passing transversely under the posterior portion of the corpus callosum. They connect the medial margins of the crura of the fornix.  

Unconsciousness caused by very low blood sugars, usually less than 40 mg/dl. The most common cause is a reaction to insulin or an oral hypoglycemic agent. The patient typically will recognize, after reviving, that coma was preceded by heavy exercise, limited caloric intake, or a recent increase in the dose of diabetic medications. Occasionally alcoholic…

Coma resulting from portal-systemic encephalopthy.  

Cirrhosis in which connective tissue hyperplasia causes the liver to be greatly enlarged.  

Superior and inferior hypophyseal arteries (slender branches from arteries of the circle of Willis) that provide blood to the pituitary gland and adjacent regions of the hypothalamus. Venous blood from the pituitary gland drains into the cavernous sinuses and, from there, into the internal jugular veins. Some of the superior hypophyseal arteries form primary capillary…

Application of high pressure to liquid chromatography technique to increase separation speed and enhance resolution.  

A form of hysteria with choreiform movements.  

Movements simulating chorea and sometimes accompanied by delirium, seen in acute scopolamine intoxication.