Heart Intervals Flashcards
1
Q
Normal QTc range
A
Adult men 350-450
Adult women 360-460
2
Q
Normal PR interval
A
0.12 - 0.20 seconds (3-5 small squares)
3
Q
Normal QRS width
A
0.08 - 0.12 seconds (2-3 small squares)
4
Q
Normal QT interval
A
0.35 - 0.43 seconds
5
Q
At what rate is afib/aflutter considered to be with rvr?
A
Over 100 beats per min