Premature atrial contraction pathophysiology: Difference between revisions
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==Overview== | ==Overview== | ||
Mechanisms responsible for spontaneous [[premature atrial contraction]] are not clear but reentry within the atrium is the most probable mechanism. | Mechanisms responsible for spontaneous [[premature atrial contraction]] are not clear but [[Mechanism of arrhythmias|reentry]] within the atrium is the most probable mechanism. | ||
==Pathophysiology== | ==Pathophysiology== | ||
Latest revision as of 16:38, 14 July 2017
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Premature atrial contraction Microchapters |
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Differentiating Premature atrial contraction from other Diseases |
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Diagnosis |
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Treatment |
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Case Studies |
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Premature atrial contraction pathophysiology On the Web |
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American Roentgen Ray Society Images of Premature atrial contraction pathophysiology |
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Risk calculators and risk factors for Premature atrial contraction pathophysiology |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Mugilan Poongkunran M.B.B.S [2]
Overview
Mechanisms responsible for spontaneous premature atrial contraction are not clear but reentry within the atrium is the most probable mechanism.
Pathophysiology
PACs occur frequently in subjects with normal hearts and hence it is difficult to establish a definite relationship to the factors that predispose to these extra beats. However the following could be the possible mechanisms for PACs :
- Reentry within the atrium
- Autonomic modulation of the atria
- Automaticity Activity
- Triggered Activity