Sinus Arrhythmia Flashcards by Jasmine Watts | Brainscape

Q

Rhythm of sinus arrhythmia

A

Irregular

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Q

Rate of sinus arrhythmia

A

Normal (60-100) or slow (<60)

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Q

P wave characteristics of sinus arrhythmia

A

Normal in size, shape, and direction
Positive in lead II
One P wave precedes each QRS complex

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Q

PR interval for sinus arrhythmia

A

0.12 seconds to 0.20 seconds

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