Sign-in, or Join our EKG-Essentials plan. Join

First Degree Heart Block ECG Interpretation with Sample Strip


ECG Strip

ecg rhythm strip for reference guide

First Degree Heart Block Rhythm Strip Features

Rate: The underlying rate
Rhythm: Regular
P Wave: Normal
PR Interval: Prolonged (>0.20 sec)
QRS: Normal (0.06-0.10 sec)
Will look like a typical sinus rhythm. The P-R interval will be constant throughout the tracing and measure greater than 0.20 seconds.
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
Up-To-Date


Authors and Sources

Authors and Reviewers


Sources





? pv# 1 | n? False | i? False hem:
np:

An error has occurred. This application may no longer respond until reloaded. Reload 🗙