Relias Advanced
Dysrhythmia Exam A |
2025–2026 Edition – 52
Questions with Step-by-
Step Answers
, QRS - ANSWER -0.06-0.10 sec SHOULD BE <0.12 sec
Wide QRS: delay in ventricular contraction, delay of conduction through bundle branches or purkinje
fibers
BUNDLE BRANCH BLOCK or BLOCK IN PURKINJE FIBERS (idioventricular)
Calculate Regular Rate - ANSWER -1500/ # boxes R-R
Calculate Irregular Rate - ANSWER -# of Rs in 6 sec strip X 10
Unifocal PVCs - ANSWER -Only 1 shape PVC
Bigeminy - ANSWER -PVC occurs every OTHER beat
Trigeminy - ANSWER -PVC occurs every THIRD beat
Couplet - ANSWER -2 PVCs together
Triplet - ANSWER -3 PVCs together
Multifocal - ANSWER -Multiple shapes
Monomorphic V Tach - ANSWER -Same Shapes V Tach
Polymorphic V Tach - ANSWER -Different Shapes V tach
Coarse V Fib - ANSWER -Chopy but not as high as polymorphic V tach
Fine V Fib - ANSWER -Fine and fibrillatory
Dysrhythmia Exam A |
2025–2026 Edition – 52
Questions with Step-by-
Step Answers
, QRS - ANSWER -0.06-0.10 sec SHOULD BE <0.12 sec
Wide QRS: delay in ventricular contraction, delay of conduction through bundle branches or purkinje
fibers
BUNDLE BRANCH BLOCK or BLOCK IN PURKINJE FIBERS (idioventricular)
Calculate Regular Rate - ANSWER -1500/ # boxes R-R
Calculate Irregular Rate - ANSWER -# of Rs in 6 sec strip X 10
Unifocal PVCs - ANSWER -Only 1 shape PVC
Bigeminy - ANSWER -PVC occurs every OTHER beat
Trigeminy - ANSWER -PVC occurs every THIRD beat
Couplet - ANSWER -2 PVCs together
Triplet - ANSWER -3 PVCs together
Multifocal - ANSWER -Multiple shapes
Monomorphic V Tach - ANSWER -Same Shapes V Tach
Polymorphic V Tach - ANSWER -Different Shapes V tach
Coarse V Fib - ANSWER -Chopy but not as high as polymorphic V tach
Fine V Fib - ANSWER -Fine and fibrillatory