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AH interval |
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AH interval
Cardiology A period measured by electrophysiologic studies of the heart, equal to the time between the onset of the first rapid atrial deflection and the His bundle deflection; as the lower right atrium and the His bundle
delineate the anatomic boundaries of the AV node, the AHI–usually 55-130 msec is essentially equivalent to the AV nodal conduction time; the AHI is ↓ by atropine and isopreterenol, and ↑ by adenosine, digitalis, some class I
antiarrhythmics–eg, moricizine, propranolol, rapid or premature atrial pacing, vagal maneuvers, and verapamil. Cf HV interval. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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Electrophysiology study demonstrated a normal AH interval with 2:1 infraHisian block. |
AH interval |
AGWU Agwunsi Festival AGWVA AgX Agy Agyeya AGYG AGYH agyiomania agyiophobia Agylla Agynous Agyo Agyo agyria Agyria pachygyria polymicrogyria Agyrophobia AGYU AGZ AGZG Agzu ah ah ah ah Ah Bing Ah Cheng Ah Gee Not This Stuff Again AH interval AH LayardAh Long Ah Long Ah Long Ah Puch AH Stephens State Historic Park Ah Wilderness AH&D AH&E AH&LA AH&LEF Ah'abh Ah'abh Ah'av Ah'av AH+IS Ah, Forget It Ah, Wilderness Ah, Wilderness! AH-1 Cobra AH-26 AH-64A Ah-64d AH-Chew D AH-ICI Ah-ni-yv-wi-ha Ah-ni-yv-wi-ha Ah-ni-yv-wi-ya Ah-ni-yv-wi-ya Ah-puch | ||||||||
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