Category: R

Any of a class of antiretroviral agents that competitively inhibit the reverse transcriptase enzyme of human immunodeficiency virus and other viruses. A category of medications employed for addressing specific infectious ailments, such as HIV infection and hepatitis B infection. These drugs influence the virus’s capacity to replicate by obstructing the function of reverse transcriptase, a…

An infarct that is swollen and red as a result of hemorrhage.  

Risk for alteration in integration and modulation of the physiological and behavioral systems of functioning (i.e., autonomic, motor, state, organizational, self-regulatory, and attentional-interactional systems).  

A measurement of the number of disordered breathing cycles during sleep. Sleep disordered breathing, which includes both apneas and hypopneas, results in daytime fatigue. It is also associated with an increased prevalence of cardiovascular disease.  

The ratio of the alveolar-arterial oxygen tension gradient to the arterial partial pressure of oxygen.  

Risk for involuntary loss of urine associated with a sudden, strong sensation or urinary urgency.  

An involuntary loss of urine at somewhat predictable intervals when a specific bladder volume is reached.  

Excessive dilatation of a cardiac cavity, rendering it impossible for the cardiac valves leading in and out of the chamber to close perfectly.  

Immunotherapy administered rapidly, e.g., over several days (with several injections of antigen daily) or even a single day.  

A nuclear medicine scan used to determine whether an infant has gastroesophageal reflux. Radioactively labeled milk is given to the child orally, and its progress through the upper gastrointestinal tract (and in reflux, into the lungs) is monitored. The scan is typically used if an infant has had more than one episode of aspiration pneumonia.…