MEDICINE
CARDIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is not the criteria of Normal Sinus rhythm?
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a. heart rate <50BPM
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b. normal P wave morphology
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c. constant PR interval within normal duration
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regular or slight irregular PP interval
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Explanation:
Detailed explanation-1: -The normal adult heart rate, arising from the SA node, has been considered historically to range from 60 to 100 beats per minute, with sinus bradycardia being defined as a sinus rhythm with a rate below 60 beats per minute.
Detailed explanation-2: -Sinus bradycardia is a heart rhythm where your heart beats slower than expected (under 60 beats per minute for adults) but otherwise works normally. It’s fairly common, especially in adults over 65 and those who exercise regularly. It’s usually not serious unless you have symptoms.
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