trigeminy /tri·gem·i·ny/ (tri-jem´ĭ-ne)
trigeminy
trigeminy
1. occurrence in threes.
2. the occurrence of a trigeminal pulse.
ventricular trigeminy an arrhythmia consisting of the repetitive sequence of one ventricular premature complex followed by two normal beats.
tri·gem·i·ny (tr -j m  -n )n. See trigeminal rhythm. |
trigeminy
[trījem′inē]
Etymology: Gk, treis + L, geminus, twin
1 a grouping in threes.
2 a cardiac arrhythmia characterized by the occurrence of three heartbeats in a repeating pattern: two normal beats coupled to an ectopic beat, or two ectopic beats coupled to a normal beat. trigeminal, adj.
trigeminy
the condition of occurring in threes, especially the occurrence of three pulse beats in rapid succession.
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.
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