RCES Exam 1 Study Questions with Verified
Correct Answers
PR interval
120 - 200 ms
QRS interval
< 100 ms
QT interval
< 400 ms
QTc interval
Measure of time between start of Q wave and end of T wave in cardiac cycle
QTc interval (men)
< 450 ms
QTc interval (women)
< 470 ms
Basic Cycle Length (BCL)
1000 - 600 ms aka 60-100 bpm
PA interval
25 - 55 ms
AH interval
55 - 125 ms
HBE interval
< 30 ms
HV interval
Correct Answers
PR interval
120 - 200 ms
QRS interval
< 100 ms
QT interval
< 400 ms
QTc interval
Measure of time between start of Q wave and end of T wave in cardiac cycle
QTc interval (men)
< 450 ms
QTc interval (women)
< 470 ms
Basic Cycle Length (BCL)
1000 - 600 ms aka 60-100 bpm
PA interval
25 - 55 ms
AH interval
55 - 125 ms
HBE interval
< 30 ms
HV interval
