Prophecy EKG Test 2025: EKG Competency Exam Q - Study Guide & Practice Questions

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Prophecy EKG Q & A

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

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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

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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