Cardiac Complexes, Premature

Cardiac Complex, Premature; Complex, Cardiac Premature; Premature Cardiac Complex; Beat, Premature; Beats, Premature; Cardiac Complices, Premature; Cardiac Premature Complex; Cardiac Premature Complices; Complex, Premature Cardiac
A premature contraction of the heart that is initiated somewhere other than the sinoatrial node.