Heart Intervals Flashcards

1
Q

Normal QTc range

A

Adult men 350-450
Adult women 360-460

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2
Q

Normal PR interval

A

0.12 - 0.20 seconds (3-5 small squares)

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3
Q

Normal QRS width

A

0.08 - 0.12 seconds (2-3 small squares)

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4
Q

Normal QT interval

A

0.35 - 0.43 seconds

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5
Q

At what rate is afib/aflutter considered to be with rvr?

A

Over 100 beats per min

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