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RELIAS Dysrhythmia - Basic B Clinical Assessment
2025/2026 QUESTIONS & ANSWERS ( A+ GRADED
100%, Exams of Nursing Guaranteed Pass
Normal sinus rhythm - ANSWER -Regular Rate: 60- P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Sinus Bradycardia - ANSWER -Regular Rate: < P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Sinus Tachycardia - ANSWER -Regular Rate: 100- P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Premature Atrial Contraction - ANSWER -IRREGULAR Rate: depends on underlying rhythm P wave: Present or hidden in T wave PR Interval: 0.12-0.20 sec
QRS: <0.12 sec Atrial Fibrillation - ANSWER -IRREGULAR Atrial rate: UNMEASURABLE Ventricular rate: variable P wave: unable to see PR Interval: N/A QRS: <0.12 sec A fib RVR - ANSWER -IRREGULAR Ventricular rate: 100- P wave: unable to see PR Interval: N/A QRS <0.12 sec Atrial Flutter - ANSWER -Usually REGULAR can be irregular Atrial rate: 250- Ventricular rate: variable BUT < atrial rate P Wave: Flutter PR Interval: N/A QRS: <0.12 sec Supraventricular Tachycardia - ANSWER -Regular Rate: 150- P wave: Hidden in QRS or T wave
QRS: WIDE and BIZARRE , >0.12 sec Ventricular Tachycardia - ANSWER -Regular Rate: > P Wave: NONE PR Interval: N/A QRS: WIDE and BIZARRE, >0.12 sec Ventricular Fibrillation - ANSWER -Chaotic Coarse: big waves Fine: small waves Rate: unmeasurable P Wave: NONE PR Interval: N/A QRS: N/A Idioventricular - ANSWER -Regular Rate: 20- P wave: NONE PR Interval: N/A QRS: WIDE, >0.12 sec Accelerated Idoventricular Rhythm - ANSWER -Regular Rate: 50- P wave: NONE
PR Interval: N/A QRS: WIDE, >0.12 sec 1st Degree AV Block - ANSWER -Regular Rate: 60- 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 - ANSWER - IRREGULAR Rate: 60- 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 - ANSWER -Irregular or regular Rate: < P wave: Present, upright
Right and Left Bundle Branches - ANSWER -4th 40- Purkinje Fibers - ANSWER -5th 20- 1 Small Box - ANSWER -0.04 sec 1 Big Box - ANSWER -0.20 sec Junctional Rhythms - ANSWER -SA Node DID NOT FIRE AV Node fired NO P WAVE bc SA node didn't fire Narrow QRS P Wave - ANSWER -Amplitude 0.5-2.5 mm Will be shorter than T wave Shows firing of SA node 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
PR Interval - ANSWER -0.12-0.20 sec SA Node Firing Rhythms - ANSWER -Fires normally @ 60-100 -SR 60- -SB < -ST 100- -SVT 150- AV Node Firing, SA Node Failed Rhythms - ANSWER -Fires normally @ 40-60 -Junctional rhythm 40- -Accelerated junctional rhythm 60- -Junctional tachycardia 100- Only Purkinje Fibers Firing Rhythms (Everything else has failed) - ANSWER -Fires normally @ 20-50 -Idioventricular 20- -Accelerated idioventricular 50-
