Relias Dysrhythmia Basic A Test 35 Questions and Answers 2023

NSR

Rate 60-100 beats/minute originates from SA node

Regular

One P wave before each QRS

PR Interval 0.12 to 0.20 seconds

QRS Duration 0.04 to 0.10 seconds




Sinus Brady

Rate is below 60 beats/minute arising from the SA node

Follows normal conduction pathways

P and QRS complexes have normal duration and pattern




Sinus Tachy

Rate above 100 beats/minute Normal response to Sympathetic Nervous System Stimulation




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, A-Fib

Atrial rate is 350-600 beats/minute

No P waves, client loses atrial kick

Rate of 100 or less is called controlled ventricular response

Rate of 100 or greater is called rapid




A-Flutter

Rapid atrial depolarization

Atrial rate 250-350 beats/minute




1St Degree Block

Conduction delay AV node conduction is slow

PR Interval is > 0.20 seconds (5 small boxes)




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