The time elapsing between the beginning of the P wave and the beginning of the QRS complex in an electrocardiogram; it corresponds to the atriocarotid interval of the venous pulse.
DON’T VACILLATE! VANQUISH THIS WORD OF THE DAY QUIZ!
It’d be a real faux pas to miss this quiz on the words from August 3–9, 2020!
Question 1 of 7
What does “vacillate” mean?
Words nearby P-R interval
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.