PROPHECY EKG EXAMS SCRIPT 2025/2026 ANSWERS AND QUESTIONS GRADED A+

PROPHECY EKG EXAMS SCRIPT 2025/2026 ANSWERS AND
QUESTIONS GRADED A+
✔✔Premature Ventricular Contraction - ✔✔IRREGULAR
Rate: refer to underlying rhythm
P Wave: NONE
PR Interval: N/A
QRS: WIDE and BIZARRE , >0.12 sec

✔✔Ventricular Tachycardia - ✔✔Regular
Rate: >100
P Wave: NONE
PR Interval: N/A
QRS: WIDE and BIZARRE, >0.12 sec

✔✔Ventricular Fibrillation - ✔✔Chaotic
Coarse: big waves
Fine: small waves
Rate: unmeasurable
P Wave: NONE
PR Interval: N/A
QRS: N/A

✔✔Idioventricular - ✔✔Regular
Rate: 20-50
P wave: NONE
PR Interval: N/A
QRS: WIDE, >0.12 sec

✔✔Accelerated Idoventricular Rhythm - ✔✔Regular
Rate: 50-100
P wave: NONE
PR Interval: N/A
QRS: WIDE, >0.12 sec

✔✔1st Degree AV Block - ✔✔Regular
Rate: 60-100
P Wave: Present, upright
PR interval: >0.20 sec CONSISTENTLY LONG
QRS: <0.12 sec

Husband stays late till 9 consistently

✔✔2nd Degree AV Block Type I Mobitz, Wenckebach - ✔✔IRREGULAR
Rate: 60-100

, P wave: Present, upright
PR Interval: Progressively longer until drop (PR interval longer and longer until drop)
QRS: <0.12 sec

Husband stays late till 9, then 11, then 1, then doesn't come home at all

✔✔2nd Degree AV Block Type II - ✔✔Irregular or regular
Rate: <60
P wave: Present, upright
PR Interval: PR interval consistently LONGER like type 1 but then a QRS will drop
QRS: <0.12 sec

Husband stays late till 9 consistently, then wife goes out and doesn't come home

✔✔3rd Degree AV Block - ✔✔Atrials and ventricles don't communicate
Rate: regular atrial
P wave: Present, upright
No relationship between P waves and QRS
PR Interval: VARIABLE
QRS: variable

P-P ad R-R consistent but NO correlation

Husband and wife live separate lives and don't communicate

✔✔SA Node - ✔✔1st
60-100

✔✔AV Node - ✔✔2nd
40-60

✔✔Bundle of His - ✔✔3rd
40-45

✔✔Right and Left Bundle Branches - ✔✔4th
40-45

✔✔Purkinje Fibers - ✔✔5th
20-50

✔✔1 Small Box - ✔✔0.04 sec

✔✔1 Big Box - ✔✔0.20 sec

✔✔Junctional Rhythms - ✔✔SA Node DID NOT FIRE