trigeminy

trigeminy

 [tri-jem´ĭ-ne] the condition of occurring in threes, especially the occurrence of three pulse beats in rapid succession.

tri·gem·i·nal rhyth·m

a cardiac arrhythmia in which the beats are grouped in trios, usually composed of a sinus beat followed by two extrasystoles. Synonym(s): trigeminy

trigeminy

Cardiology 1. An arrhythmia in which 2 normal QRS complexes are followed by a PVC; this rhythm usually does not progress to dangerous forms of fast ventricular rhythms; in this rhythm, two VPCs never occur one right after the other.2. A group of 3 beats, usually a sinus beat followed by 2 extrasystoles Etiology Digitalis toxicity, dizziness, caffeine. See Premature ventricular contraction.

tri·gem·i·nal rhythm

(trī-jem'i-năl ridh'ŭm) A cardiac arrhythmia in which the beats are grouped in trios, usually composed of a sinus beat followed by two extrasystoles.
Synonym(s): trigeminy.