Heart Blocks

First Degree Heart Block - Heart Blocks.

Description

First Degree Heart Block will look like a typical sinus rhythm with one distinguishing feature.
The P-R interval will be constant throughout the tracing and measure greater than 0.20 seconds.
Rate, regularity, P wave morphology and QRS duration and morphology will be unaffected.
NOTE: The rate will be that of the underlying rhythm. If the rate is “normal”, it will be 60 – 100 bpm. If it is bradycardia, the rate will be less than 60 bpm.
First Degree Heart Block is the most common heart block.
People are born with it everyday. They will likely live a long and healthy life and die from some other malady.
Patients who develop a heart block during an MI bear close observation. This must be reported to the licensed healthcare practitioner immediately.

Notice the following: the only abnormality when analyzing this tracing is the abnormal duration of the P-R interval.

Analyze this tracing using the five steps of rhythm analysis.

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