Absolute polycythemia
ANSWER: excessive red blood cell production; a physiologic response resulting
from increased erythropoietin secretion in response to chronic hypoxia or as a symptom
of polycythemia vera.
Absorption atelectasis
ANSWER: see Atelectasis.
Acid maltase deficiency (glycoge...
ANSWER: a massive dilation of the large bowel that occurs in critically ill patients
and immobilized older adults. It is characterized by significant dilation of the cecum and
absence of mechanical obstruction, and is related to excessive sympathetic motor input
or decreased parasympathetic motor input.
Acute confusional state (ACS)
ANSWER: a form of delirium caused by interference with the metabolic or other
biochemical processes essential for normal brain functioning. Symptoms may include
disturbances in cognition and levels of awareness, short-term memory deficit,
retrograde and anterograde amnesia, and disturbances in orientation, accompanied by
restlessness, apprehension, irritability, and apathy. The condition may be associated
with an acute physiologic state, delirium, toxic psychosis, or acute brain syndrome.
Acute coronary syndrome
ANSWER: a classification encompassing clinical presentations ranging from
unstable angina through infarction.
Acute cystitis
ANSWER: an inflammation of the bladder, which is the most common site of
urinary tract infection.
Acute epiglottitis
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