Pacemaker

Do You Need a Heart Pacemaker?

…evaluation—sooner than later. Now it’s your turn: Have you, or someone you know, gotten a heart pacemaker and found it made a difference? You May Also Be Interested In * When People with Atrial Fibrillation Need Heart Pacemakers * Bad Vibrations Can Hurt Your Heart

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Vascular Dementia Can Happen to Anyone

…pressure is the cause. But it can also happen in people with arteriosclerosis, valvular disease, congestive heart failure, atrial fibrillation, and pacemaker therapy. The classic signs of VaD are slowed thinking, memory problems, confusion that often worsens at night, personality changes, loss of social…

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Intrinsic Cardiac Pacemakers

Today, I want to tell you about a couple of intrinsic cardiac pacemakers. We'll start with the atrioventricular or AV node. Like our discussion of the SA node, the discussion is pretty technical. Look at it as a way to impress people around the watercooler! The AV node is a "back up" for the SA node…

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The SA Node: An Intrinsic Heart Pacemaker

Most people are familiar with the artificial heart pacemakers that we use to keep the heart beating, but many don’t realize that the body has built-in heart pacemakers of its own. Every cardiac cell is capable of automaticity (to fire on its own) and conductivity, but there is a specialized network…

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Alzheimer's Disease Prevention: Know Your Risk Factors

…hospitalize her to rule out a stroke or low heart rate. While she was surprisingly hypertensive on admission and her heart rate low enough to validate a pacemaker, her failing memory has yet to improve since she's been discharged home again. Because she is 90-years-old, her failing memory is assumed to be due…

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The Symptoms of Atrial Fibrillation

…aorta, circulating oxygen-rich blood throughout your body. What happens with the symptoms of atrial fibrillation is the heart’s normal electrical "pacemaker" is bombarded by competing electrical charges, which originate in the atria—hence the name, atrial fibrillation. These competing impulses initiate…

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