The sinoatrial node is "part of the heart, but a very specialized part of the heart," Mark Anderson told BioWorld Today. The cells that make up the pacemaker are different from normal cells, he ...
A biventricular pacemaker is a device that can help the heart beat more efficiently when a person has heart failure or an irregular heartbeat. When a person has heart failure or an irregular heartbeat ...
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 or stressed ...
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