Cohort Study: Among asymptomatic individuals that have undergone treadmill testing, high-grade premature ventricular contractions occurring during recovery were associated with increased risk of cardiovascular mortality.

Exercise-Induced Ventricular Ectopy and Cardiovascular Mortality in Asymptomatic Individuals – Journal of the American College of Cardiology (link to abstract – $ for full-text)

Commentary: Exercise-Induced Ventricular Ectopy and Cardiovascular Mortality – American College of Cardiology