Cover image
ON THE COVER:
Pacemaker, illustration. Double chamber ventricular pacemaker associated with several probes enabling cardiac stimulation for patients suffering from heart failure (bradycardia). Cardiac stimulation involves delivering low energy electrical impulses to the heart muscle to restore and maintain a normal heartbeat.
Image credits: Fernando Da Cunha / Science Source (Unique ID: SS22649995). Image and text copyright © 2020 Science Source/Photo Researchers, Inc. All rights reserved.
