Page 109 - Critical Care Notes
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4223_Tab02_045-106 29/08/14 10:00 AM Page 103
103 First-Degree AV Block
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QRS: Normal.
Rhythm: Regular.
PR interval: >0.20 sec.
no hemodynamic changes.
P wave: Present, before each QRS.
Management: Correct the cause, monitor closely; usually benign. Evaluate medication usage for cause.
Problem in the conduction system. May progress to more severe block. Patient usually has no symptoms and
CV
