Tag: <span>electrical system of the heart</span>

Home / electrical system of the heart
Cardiologist explains how pacemakers and defibrillators interact with the electrical system of the heart
Post

Cardiologist explains how pacemakers and defibrillators interact with the electrical system of the heart

by Virginia Singla, The Conversation Breakdowns in the sinoatrial and atrioventricular nodes can cause heart rate problems. Credit: Rob Kreuger, medical illustrator/Wikimedia Commons, CC BY-SA Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising...