First degree AV block physical examination: Difference between revisions
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===Heart=== | ===Heart=== | ||
====Auscultation==== | ====Auscultation==== | ||
Probable physical exam findings on [[auscultation]] include: | Probable [[physical exam]] findings on [[auscultation]] include: | ||
* Decreased intensity of [[first heart sound]] | * Decreased intensity of [[first heart sound]] | ||
* Soft blowing [[diastolic murmur]] | * Soft blowing [[diastolic murmur]] of [[mitral regurgitation]] in [[cardiac apex]] | ||
The duration of this [[murmur]] may be reduced after administration of [[atropine]] which shortens the [[PR interval]]. | The duration of this [[murmur]] may be reduced after administration of [[atropine]] which shortens the [[PR interval]]. | ||
Revision as of 07:49, 22 July 2021
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Raviteja Guddeti, M.B.B.S. [2]
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Overview
First degree AV block is an incidental finding on an EKG and is not associated with specific physical examination findings.
Physical Examination
Heart
Auscultation
Probable physical exam findings on auscultation include:
- Decreased intensity of first heart sound
- Soft blowing diastolic murmur of mitral regurgitation in cardiac apex
The duration of this murmur may be reduced after administration of atropine which shortens the PR interval.