Relias Dysrhythmia Basic Test 35 Questions and Answers 2026 Basic A Dysrhythmia Exam with correct Answers
Relias Basic Dysrhythmia Exam with 35 Questions 2026 | Fully Solved and Verified Normal sinus rhythm - answer - Regular Rate: 60-100 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: 0.12 sec Sinus Bradycardia - answer - Regular Rate: 60 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: 0.12 sec Sinus Tachycardia - answer - Regular Rate: 100-150 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: 100-175 P wave: unable to see PR Interval: N/A QRS 0.12 sec 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 Supraventricular Tachycardia - answer - Regular Rate: 150-350 P wave: Hidden in QRS or T wave PR: unable to determine QRS: 0.12 sec Junctional Rhythm - answer - Regular Rate: 40-60 P Wave: ABSENT or INVERTED PR Interval: None or 0.12 QRS: 0.12 sec Accelerated Junctional Rhythm - answer - Regular Rate: 60-100 P Wave: NONE or INVERTED PR Interval: None or 0.12 QRS: 0.12 sec Junctional Tachycardia - answer - Regular Rate: 100 P Wave: NONE or INVERTED PR Interval: None or 0.12 QRS: 0.12 sec Premature Ventricular Contraction - answer - IRREGULAR Rate: refer to underlying rhythm P Wave: NONE PR Interval: N/A QRS: WIDE and BIZARRE , 0.12 sec Ventricular Tachycardia - answer - Regular Rate: 100 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: 20-50 P wave: NONE PR Interval: N/A QRS: WIDE, 0.12 sec Accelerated Idoventricular Rhythm - answer - Regular Rate: 50-100 P wave: NONE PR Interval: N/A QRS: WIDE, 0.12 sec 1st Degree AV Block - answer - Regular Rate: 60-100 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: 60-100 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: 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 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 SA Node - answer - 1st 60-100 AV Node - answer - 2nd 40-60 Bundle of His - answer - 3rd 40-45 Right and Left Bundle Branches - answer - 4th 40-45 Purkinje Fibers - answer - 5th 20-50 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 BRANC
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