RCES exam Exam | Questions with 100% Correct
Answers | Verified | Latest Update 2026
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Practice questions for this set
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Flecainide, propafenone; no effect on repolarization, used in ventricular
tachycardias;
Choose an answer
1 PR interval 2 Triangle of Koch
3 Class 1C antiarrhythmics 4 QTc interval (men)
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Terms in this set (41)
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 35 - 55 ms
QRS interval < 100 ms
Triangle of Koch defined by the following structures within the right
atrium: (1) The ostium of the coronary sinus,
posteriorly; (2) the anterior-septal leaflet
commissure; and (3) the tendon of Todaro (a
tendinous structure connecting the valve of the
inferior vena cava ostium to the central fibrous
body), posteriorly.
Thesbian valve a fold located at the ostium of the CS
Answers | Verified | Latest Update 2026
Save
Practice questions for this set
Learn 1 /7 Study using Learn
Flecainide, propafenone; no effect on repolarization, used in ventricular
tachycardias;
Choose an answer
1 PR interval 2 Triangle of Koch
3 Class 1C antiarrhythmics 4 QTc interval (men)
Don't know?
Terms in this set (41)
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 35 - 55 ms
QRS interval < 100 ms
Triangle of Koch defined by the following structures within the right
atrium: (1) The ostium of the coronary sinus,
posteriorly; (2) the anterior-septal leaflet
commissure; and (3) the tendon of Todaro (a
tendinous structure connecting the valve of the
inferior vena cava ostium to the central fibrous
body), posteriorly.
Thesbian valve a fold located at the ostium of the CS
