MAYO ECG Exam 2025/2026 Actual Complete Real Exam
Questions with 100% Correct Answers (Verified Answers)
| Latest Update 2025!!
primary pacemaker of the heart - ANSWER-SA node
atrial and ventricular activity are regular, pr intervals are
variable - ANSWER-
third degree AV
block
Pathway of heart conduction - ANSWER-SA node
Intra atrial pathway
AV node
Bundle of HIS
Right and Left Bundle Branches
Purkinje Fibers
1st degree AV block - ANSWER-prolonged PR interval
2nd degree AV block type 1 - ANSWER-PR interval long,
longer, drop
, the drop is a P wave not followed
by a QRS
2nd degree AV block type 2 - ANSWER-Constant PRI w >.2,
random dropped
QRS
R waves
irregular
3rd degree AV block - ANSWER-atria and ventricles beat
independently of each
other
(P waves have no relation to QRS
waves)
P and R waves both
regular
Sinus Bradycardia -
ANSWER-<60
normal sinus
rhythm
normal sinus rhythm - ANSWER-heart rhythm originating in the
sinoatrial node
Questions with 100% Correct Answers (Verified Answers)
| Latest Update 2025!!
primary pacemaker of the heart - ANSWER-SA node
atrial and ventricular activity are regular, pr intervals are
variable - ANSWER-
third degree AV
block
Pathway of heart conduction - ANSWER-SA node
Intra atrial pathway
AV node
Bundle of HIS
Right and Left Bundle Branches
Purkinje Fibers
1st degree AV block - ANSWER-prolonged PR interval
2nd degree AV block type 1 - ANSWER-PR interval long,
longer, drop
, the drop is a P wave not followed
by a QRS
2nd degree AV block type 2 - ANSWER-Constant PRI w >.2,
random dropped
QRS
R waves
irregular
3rd degree AV block - ANSWER-atria and ventricles beat
independently of each
other
(P waves have no relation to QRS
waves)
P and R waves both
regular
Sinus Bradycardia -
ANSWER-<60
normal sinus
rhythm
normal sinus rhythm - ANSWER-heart rhythm originating in the
sinoatrial node
