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Questions and Answers
What characterizes a normal sinus rhythm?
What characterizes a normal sinus rhythm?
- Rate: 60-100 (correct)
- P Wave: Absent
- PR Interval: 0.12-0.20 sec (correct)
- Irregular rate
What is the rate range for a normal sinus rhythm?
What is the rate range for a normal sinus rhythm?
60-100
A P Wave is absent in a normal sinus rhythm.
A P Wave is absent in a normal sinus rhythm.
False (B)
What is the PR Interval for a normal sinus rhythm?
What is the PR Interval for a normal sinus rhythm?
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Study Notes
Normal Sinus Rhythm
- Characterized by regular heart rhythm.
- Heart rate ranges from 60 to 100 beats per minute.
- P Wave is always present and appears upright, indicating proper atrial depolarization.
- PR Interval measures between 0.12 and 0.20 seconds, reflecting normal conduction from the atria to the ventricles.
- QRS complex duration is not provided; typically should be less than 0.12 seconds if normal.
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