Post-extrasystolic Potentiation: Link between Ca2+ Homeostasis and Heart Failure? | AER Journal
Arrhythmias, when the heart 'stutters': extrasystoles | Emergency Live
Why does my heart beat really strongly and slightly irregularly at random times? After 5 seconds it's okay and steady again. - Quora
4 Autonomy Ami Images, Stock Photos, 3D objects, & Vectors | Shutterstock
Ventricular extrasystoles in athletes: what can be learned from the clinical history, clinical examination, the electrocardiogram and the initial approach?
Post-extrasystolic potentiation differentiates “true” from “pseudo” Low-flow, Low-gradient aortic stenosis
Extrasystole hi-res stock photography and images - Alamy