Pacemaker - American Heart Association
2024年10月29日 · The sinus node is the heart’s natural pacemaker. It’s a small mass of specialized cells in the top of the right atrium (upper chamber of the heart). It produces the electrical impulses that cause your heart to beat.
Pacemaker - Professional Heart Daily | American Heart Association
2024年10月29日 · The sinus node is the heart’s natural pacemaker. It’s a small mass of specialized cells in the top of the right atrium (upper chamber of the heart). It produces the electrical impulses that cause your heart to beat.
A pacemaker is a small device that sends electrical impulses to your heart to help control your heartbeat so your body gets blood and oxygen. Some newer kinds are wireless. A traditional pacemaker is implanted under the skin, just under the collarbone.
Implantable Medical Devices - American Heart Association CPR
2023年10月6日 · When the heart's "natural pacemaker" is defective and causes the heart to beat too fast, too slow or irregularly, a pacemaker helps the heart beat in a regular rhythm. Learn more about pacemakers. Living with your pacemaker. Print a Pacemaker I.D. Card that will tell the people helping you in an emergency that you have a pacemaker. What is a ...
What is an Arrhythmia? - American Heart Association
2024年9月24日 · The SA node is sometimes called the heart’s “natural pacemaker” because it starts the impulses for the heartbeat. The normal electrical sequence begins in the right atrium and spreads throughout the atria to the atrioventricular (AV) node.
Living With Your Pacemaker | American Heart Association
2024年10月29日 · If you’re living with an abnormal heart rhythm (arrhythmia), your health care professional may have recommended a pacemaker to regulate your heart rate. You should also do your part to help your pacemaker control your heart rate. For example, if medications are a part of your treatment plan, take them as prescribed.
Bradycardia: Slow Heart Rate - American Heart Association
2024年9月24日 · A pacemaker can often regulate the heart’s rhythm, speeding up the heart rate as needed. Last Reviewed: Sep 24, 2024. The American Heart Association defines bradycardia as the medical term for a heart rate that's too slow. Learn more about the signs and symptoms of …
AHA Media Alert: Information and resources on heart rhythm …
The sinoatrial (SA) node or sinus node is the heart's natural pacemaker. It's a small mass of specialized cells in the top of the right atrium (upper chamber of the heart). It produces the electrical impulses that cause your heart to beat.
Tachycardia: Fast Heart Rate - American Heart Association
2024年9月24日 · In this condition, the heart’s natural pacemaker, the sinus node, sends out electrical signals faster than usual. The heart rate is faster than normal, but the heart beats properly. It’s a common response to exercise, but it’s concerning when it occurs at rest.
Implantable Medical Devices - American Heart Association
2023年10月6日 · Learn about implantable medical devices for those with heart disease, such as left ventricular assist device (LVAD), pacemaker and Implantable Cardioverter Defibrillator.