premature ventricular contraction vs PVC

premature ventricular contraction and PVC both are nouns.

Word	Noun	Adjective	Verb	Adverb
premature ventricular contraction	Yes	No	No	No
PVC	Yes	No	No	No

As nouns, premature ventricular contraction and PVC are synonyms defined as:

premature ventricular contraction and PVC: irregularity of cardiac rhythm; recurrent occurrences can be a precursor of ventricular fibrillation

premature ventricular contraction (noun)	PVC (noun)
irregularity of cardiac rhythm; recurrent occurrences can be a precursor of ventricular fibrillation	irregularity of cardiac rhythm; recurrent occurrences can be a precursor of ventricular fibrillation
	a polymer of vinyl chloride used instead of rubber in electric cables