Crossword clue: irregularity of cardiac rhythm; recurrent occurrences can be a precursor of ventricular fibrillation
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
pvc
3 letters
wn-def
irregularity of cardiac rhythm; recurrent occurrences can be a precursor of ventricular fibrillation