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pacemaker |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.09 sec. |
pacemakerSource of rhythmic electrical impulses that trigger heart contractions. In the heart's electrical system, impulses generated at a natural pacemaker are conducted to the atria and ventricles. Heart surgery or certain diseases can interrupt conduction (heart block), requiring use of a temporary or permanent artificial pacemaker. A small electrode attached to an electric generator outside the body is threaded through a vein into the heart. The generator, inserted beneath the skin, produces regular pulses of electric charge to maintain the heartbeat. Permanent pacemakers can also be implanted on the heart's surface. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Thus, people who opted for this procedure required an artificial pacemaker implant to stimulate each heartbeat. Rythmol SR is contraindicated for patients with congestive heart failure (CHF), cardiogenic shock, marked hypotension, bradycardia, disturbances in cardiac impulse generation and/or conduction (atrioventricular or intraventricular blocks) in the absence of an artificial pacemaker, electrolyte imbalance, bronchospastic disorders, or hypersensitivity to the drug. |
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artificial pacemaker
