PROPHECY EKG 2025/2026 ANSWERS AND QUESTIONS
GRADED A+
✔✔Calculate Regular Rate - ✔✔1500/ # boxes R-R
✔✔Calculate Irregular Rate - ✔✔# of Rs in 6 sec strip X 10
✔✔How to determine the rhythm - ✔✔Regular or irregular?
Rate?
P before every QRS? QRS for every P?
QRS wide or narrow?
✔✔QT Interval - ✔✔0.34-0.43
✔✔P Wave - ✔✔0.06-0.12 sec
✔✔PR Interval - ✔✔0.12-0.20 sec
✔✔SA Node Firing Rhythms - ✔✔*Fires normally @ 60-100*
-SR 60-100
-SB <60
-ST 100-150
-SVT 150-350
✔✔AV Node Firing, SA Node Failed Rhythms - ✔✔*Fires normally @ 40-60*
-Junctional rhythm 40-60
-Accelerated junctional rhythm 60-100
-Junctional tachycardia 100-150
✔✔Only Purkinje Fibers Firing Rhythms (Everything else has failed) - ✔✔*Fires
normally @ 20-50*
-Idioventricular 20-50
-Accelerated idioventricular 50-100
✔✔ Normal sinus rhythm - ✔✔Regular
Rate: 60-100
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
✔✔Sinus Bradycardia - ✔✔Regular
Rate: <60
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
GRADED A+
✔✔Calculate Regular Rate - ✔✔1500/ # boxes R-R
✔✔Calculate Irregular Rate - ✔✔# of Rs in 6 sec strip X 10
✔✔How to determine the rhythm - ✔✔Regular or irregular?
Rate?
P before every QRS? QRS for every P?
QRS wide or narrow?
✔✔QT Interval - ✔✔0.34-0.43
✔✔P Wave - ✔✔0.06-0.12 sec
✔✔PR Interval - ✔✔0.12-0.20 sec
✔✔SA Node Firing Rhythms - ✔✔*Fires normally @ 60-100*
-SR 60-100
-SB <60
-ST 100-150
-SVT 150-350
✔✔AV Node Firing, SA Node Failed Rhythms - ✔✔*Fires normally @ 40-60*
-Junctional rhythm 40-60
-Accelerated junctional rhythm 60-100
-Junctional tachycardia 100-150
✔✔Only Purkinje Fibers Firing Rhythms (Everything else has failed) - ✔✔*Fires
normally @ 20-50*
-Idioventricular 20-50
-Accelerated idioventricular 50-100
✔✔ Normal sinus rhythm - ✔✔Regular
Rate: 60-100
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
✔✔Sinus Bradycardia - ✔✔Regular
Rate: <60
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec