MAYO ECG EXAM STUDY GUIDE LATEST 2026 UPDATED
QUESTIONS AND VERIFIED 100% SOLUTIONS (2026/2027)
GRADE: A+|STATUS: GUARANTEED PASS
Delays impulse to allow for ventricular filling - Answers -AV node
Connects av node to bundle branches - Answers -Bundle of HIS
carry electrical impulses to the respective ventricles - Answers -right and left bundle branches
terminal conduction system of ventricles - Answers -purkinje fibers
SA node rate - Answers -60-100
Junctional Tissue rate - Answers -40-60
Ventricular Tissue - Answers -20-40
narrow QRS, rate >160 - Answers -SVT
1|Page
, rate less than 40 beats per minute and has a wide QRS - Answers -Idioventricular rhythm
vfib, v tach, agonal, ventricular standstill - Answers -lethal
every other p wave is blocked somewhere in the AV conduction system - Answers -second
degree AV block 2:1 conduction
PR interval progressively lengthens on consecutively conducted beats - Answers -second degree
av block type 1
no p waves are blocked but AC conduction (PR time) is prolonged - Answers -first degree av
block
some p waves are blocked from being conducted through to the ventricle, the PR interval is
constant on those that are conducted - Answers -second degree AV block type 2
atrial and ventricular activity are regular, pr intervals are variable - Answers -third degree AV
block
2|Page
QUESTIONS AND VERIFIED 100% SOLUTIONS (2026/2027)
GRADE: A+|STATUS: GUARANTEED PASS
Delays impulse to allow for ventricular filling - Answers -AV node
Connects av node to bundle branches - Answers -Bundle of HIS
carry electrical impulses to the respective ventricles - Answers -right and left bundle branches
terminal conduction system of ventricles - Answers -purkinje fibers
SA node rate - Answers -60-100
Junctional Tissue rate - Answers -40-60
Ventricular Tissue - Answers -20-40
narrow QRS, rate >160 - Answers -SVT
1|Page
, rate less than 40 beats per minute and has a wide QRS - Answers -Idioventricular rhythm
vfib, v tach, agonal, ventricular standstill - Answers -lethal
every other p wave is blocked somewhere in the AV conduction system - Answers -second
degree AV block 2:1 conduction
PR interval progressively lengthens on consecutively conducted beats - Answers -second degree
av block type 1
no p waves are blocked but AC conduction (PR time) is prolonged - Answers -first degree av
block
some p waves are blocked from being conducted through to the ventricle, the PR interval is
constant on those that are conducted - Answers -second degree AV block type 2
atrial and ventricular activity are regular, pr intervals are variable - Answers -third degree AV
block
2|Page