heart rate variability test
heart rate variability testA test that measures swings in heart rate over 24 hours via a Holter (portable EKG) monitor, identifying high-risk congestive heart failure patients. If heart rate variability is high, the prognosis is good; if low, therapy may be adjusted to reduce the risk of congestive heart failure.
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heart rate variability testSwing test Cardiology A test that measures swings in heart rate over 24 hrs via a portable EKG, identifying high-risk CHF Pts; if HRV is high, prognosis is good; if low, treatment is adjusted to prevent early demise. See Chaos theory.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.