Relias Dysrhythmia Basic A Test 2026/2027 Complete Questions and Correct Answers with Explanations

Relias Dysrhythmia Basic A Test 2026/2027 Complete Questions and Correct Answers with Explanations 1. 2nd Degree AV Block Type I Mobitz, Wenckebach - ANSWER IRREGULAR Rate: 60-100 P wave: Present, upright PR Interval: Progressively longer until drop (PR interval longer and longeruntil drop) QRS: 0.12 sec Husband stays late till 9, then 11, then 1, then doesn't come home at all 2. 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 Husband stays late till 9 consistently, then wife goes out and doesn't come home 3. 3rd Degree AV Block - ANSWER Atrials and ventricles don't communicate Rate: regular atrial P wave: Present, upright No relationship between P waves and QRS PR Interval: VARIABLE QRS: variable P-P ad R-R consistent but NO correlation Husband and wife live separate lives and don't communicate 4. SA Node - ANSWER 1st 60-100 5. AV Node - ANSWER 2nd 40-60 6. Bundle of His - ANSWER 3rd 40-45 7. Right and Left Bundle Branches - ANSWER 4th 40-45 8. Purkinje Fibers - ANSWER 5th 20-50 9. A fib RVR - ANSWER IRREGULAR Ventricular rate: 100-175 P wave: unable to see PR Interval: N/A QRS 0.12 sec 10. Atrial Flutter - ANSWER Usually REGULAR can be irregular Atrial rate: 250-350 Ventricular rate: variable BUT atrial rate P Wave: Flutter PR Interval: N/A QRS: 0.12 sec 11. Supraventricular Tachycardia - ANSWER Regular Rate: 150-350 P wave: Hidden in QRS or T wave PR: unable to determine QRS: 0.12 sec 12. Junctional Rhythm - ANSWER Regular Rate: 40-60 P Wave: ABSENT or INVERTED PR Interval: None or 0.12 QRS: 0.12 sec 13. Accelerated Junctional Rhythm - ANSWER Regular Rate: 60-100 P Wave: NONE or INVERTED PR Interval: None or 0.12 QRS: 0.12 sec 14. Junctional Tachycardia - ANSWER Regular Rate: 100 P Wave: NONE or INVERTED PR Interval: None or 0.12 QRS: 0.12 sec 15. Premature Ventricular Contraction - ANSWER IRREGULAR Rate: refer to underlying rhythm P Wave: NONE PR Interval: N/A QRS: WIDE and BIZARRE , 0.12 sec 16. Ventricular Tachycardia - ANSWER Regular Rate: 100 P Wave: NONE PR Interval: N/A QRS: WIDE and BIZARRE, 0.12 sec 17. Ventricular Fibrillation - ANSWER Chaotic Coarse: big waves Fine: small waves Rate: unmeasurable P Wave: NONE PR Interval: N/A QRS: N/A 18. 1 Small Box - ANSWER 0.04 sec 19. 1 Big Box - ANSWER 0.20 sec 20. Junctional Rhythms - ANSWER SA Node DID NOT FIRE AV Node fired NO P WAVE bc SA node didn't fire Narrow QRS 21. P Wave - ANSWER Amplitude 0.5-2.5 mm Will be shorter than T wave Shows firing of SA node