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Basic Arrhythmia Questions & Correct Answers | Cardiac Rhythm Study Guide & Exam Prep 2026/2027

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Basic Arrhythmia Questions & Correct Answers | Cardiac Rhythm Study Guide & Exam Prep 2026/2027

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Basic Arrhythmia Questions and Correct
Answers
Sinus Rhythms - Correct Answer: Regular

PR .12 -.20

QRS .04-.12



Normal sinus rhythm - Correct Answer: 60-100



Sinus Bradycardia - Correct Answer: below 60



Sinus Tachycardia - Correct Answer: Above 100



Sinus Block - Correct Answer: Irregular

Pause does not disturb sync

SA fired but was blocked



Sinus Arrest - Correct Answer: Irregular

Pause disturbs sync

SA failed to fire



Sinus Arrhythmia - Correct Answer: Irregular

shorter to longer in time

or longer to shorter



Atrial Rhythms - Correct Answer: Originate from the AV node

PR Variable

P wave vary in shape




This study source was downloaded by 100000901208415 from nursinghero.com on 09-19-2025 17:31:05 GMT -05:00


https://www.nursinghero.com//study-files/2474960

, QRS .04 - .12



Premature atrial complex (PAC) - Correct Answer: Underline rhythm

Irregular

P wave of PAC looks different from the others

conducted = QRS after

nonconducted = no QRS



Wandering Atrial Pacemaker - Correct Answer: Irregular

60-100

Three different Pwaves



Multifocal atrial Tachycardia - Correct Answer: Regular

above 100

T wave distorted

PR unable to measure



Supraventricular Tachycardia (SVT) - Correct Answer: Regular

150-250

P wave & T wave merged



paroxysmal supraventricular tachycardia - Correct Answer: Regular

SVT

Fast to slow

slow to fast



Atrial flutter - Correct Answer: Regular

Sawtooth

250-350



This study source was downloaded by 100000901208415 from nursinghero.com on 09-19-2025 17:31:05 GMT -05:00


https://www.nursinghero.com//study-files/2474960

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