EXAM (2025 updated) QUESTIONS AND
ANSWERS (DETAILED & ELABORATED) fully
solved
Normal sinus rhythm - answer-Regular
Rate: 60-100
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Sinus Bradycardia - answer-Regular
Rate: <60
P Wave: Present, upright
PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Sinus Tachycardia - answer-Regular
Rate: 100-150
P Wave: Present, upright
, PR Interval: 0.12-0.20 sec
QRS: <0.12 sec
Rate: refer to underlying rhythm
P Wave: NONE
PR Interval: N/A
QRS: WIDE and BIZARRE , >0.12 sec
Ventricular Tachycardia - answer-Regular
Rate: >100
P Wave: NONE
PR Interval: N/A
QRS: WIDE and BIZARRE, >0.12 sec
2nd Degree AV Block Type II - answer-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