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First Degree Heart Block | Reference Guide.

ecg rhythm strip for reference guide


EKG Features

Rate: The underlying rate
Rhythm: Regular
P Wave: Normal
PR Interval: Prolonged (>0.20 sec)
QRS: Normal (0.06-0.10 sec)

A first degree Heart block occurs when electrical impulses moving through the Atrioventricular (AV) node are delayed (but not blocked). First degree indicates slowed conduction without missed beats.
External Source: http://www.uptodate.com/contents/first-degree-atrioventricular-block
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First Degree Heart Block - Reference Guide | PracticalC

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