Table 1.

Search strategy

Database	Query
CINAHL	(MH “Premature Ventricular Contractions”) Filters: Abstract Available, Academic Journals, English.
Embase	(‘heart ventricle extrasystole’/exp. OR ‘heart ventricle extrasystole’) AND ([article]/lim OR [article in press]/lim) AND [english]/lim AND ([young adult]/lim OR [adult]/lim OR [middle aged]/lim OR [aged]/lim OR [very elderly]/lim) AND [clinical study]/lim
PubMed	premature ventricular contraction [MeSH] Filters: Humans, English.
Web of Science Core Collection	((premature ventricular contraction) OR (ventricular extrasystole) OR (ventricular extra systole) OR (premature ventricular beat)) Filters: Document types (Articles), English.