Noun
PSVT (countable and uncountable, plural PSVTs)
(pathology) Initialism of paroxysmal supraventricular tachycardia.
This test is used in some patients who may have stress-induced PSVT and for other heart-related problems, such as poor blood supply to the heart (ischemia). Source: Internet
The rapid beating of the heart during PSVT can make the heart a less effective pump so that the body organs do not receive enough blood to work normally. Source: Internet