PR interval

Nikita

doi:10.31440/DFTB.5739

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PR interval

Team DFTB

Written on 29/06/2021
, Last updated 14/10/2021

Cite this article as:

Team DFTB . PR interval, Don't Forget the Bubbles, 2021. Available at: https://doi.org/10.31440/DFTB.5739

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Prolonged PR interval (first degree heart block) may be normal or be seen in:

Viral or rheumatic myocarditis and other myocardial dysfunctions

Certain congenital heart disease (Ebsteins, ECD, ASD)

Digitalis toxicity

Hyperkalaemia

Short PR interval occurs in:

Pre‐excitation (eg Wolff‐Parkinson‐White)

Glycogen storage disease

Variable PR interval occurs in:

Wandering atrial pacemaker

Wenckebach (Mobitz type 1) second degree heart block.

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Team DFTB

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