Prevalence of frequent premature ventricular contractions and left-ventricular systolic dysfunction in patients receiving Holter monitoring.

Torrado J, Sima A, Comstuck C, Kaszala K, Tan A, Koneru J, Frankel DS, Marchlinski F, Kowalski M, Sharma P, Gerstenfeld EP, Vaseghi M, Shivkumar K, Malhotra R, Morillo C, Ellenbogen KA, Huizar JF