Advanced Arrhythmia Exam Prep
Questions and Correct Answers
Updated 2025/2026
what do 5 large boxes represent - Correct Answer: 1 second
primary pacemaker - Correct Answer: SA node w/expected firing rat of 60-100 bpm
backup pacemaker - Correct Answer: AV node w/expected firing rate of 40-60 bpm
a normal QRS interval is - Correct Answer: < .12 seconds (.04-.11)
a normal QT interval is - Correct Answer: .36-.44 seconds
the ST segment should be ____ with the _____ - Correct Answer: level w/ the baseline
what does each small box represent - Correct Answer: .04 seconds
what does 1 large box (5 small boxes) represent - Correct Answer: .20 seconds
ST segment elevation and depression is an indication of - Correct Answer: ischemia or injury to the heart
what does P wave represent on the ECG - Correct Answer: atrial depolarization
This study source was downloaded by 100000898058200 from nursinghero.com on 08-06-2025 20:12:37 GMT -05:00
https://www.nursinghero.com//study-files/2475004
, what does P wave represent on the ECG - Correct Answer: ventricular depolarization
what does P wave represent on the ECG - Correct Answer: repolarization of ventricles
rhythms that originate above the ventricles normally have a ___ QRS
complex - Correct Answer: narrow QRS complex
rhythms that originate in the ventricles normally have a ___ QRS complex - Correct Answer: wide QRS
complex
final pacemaker - Correct Answer: ventricles w/expected firing rate less than 40 bpm
a normal PR interval is - Correct Answer: .12-.20 seconds
A Flutter - Correct Answer: rate: 250 - 350 bpm HR varies!!
regularity: regular or irregular
P waves: "think of a shark fin or waves"
PR: not applicable - you don't measure it
QRS: < .12 secs
A Fib - Correct Answer: rate: fast & unmeasurable
regularity: irregular
P wave: NON. wavy baseline btwn QRS instead
PR: not applicable - you don't measure it
QRS: <.12 secs
(1*AVB) - Correct Answer: NO DROPPED QRS
PR interval > .20 secs
(2*AVB) - Correct Answer: PR wave gets longer + longer UNTIL QRS is DROPPED
This study source was downloaded by 100000898058200 from nursinghero.com on 08-06-2025 20:12:37 GMT -05:00
https://www.nursinghero.com//study-files/2475004
Questions and Correct Answers
Updated 2025/2026
what do 5 large boxes represent - Correct Answer: 1 second
primary pacemaker - Correct Answer: SA node w/expected firing rat of 60-100 bpm
backup pacemaker - Correct Answer: AV node w/expected firing rate of 40-60 bpm
a normal QRS interval is - Correct Answer: < .12 seconds (.04-.11)
a normal QT interval is - Correct Answer: .36-.44 seconds
the ST segment should be ____ with the _____ - Correct Answer: level w/ the baseline
what does each small box represent - Correct Answer: .04 seconds
what does 1 large box (5 small boxes) represent - Correct Answer: .20 seconds
ST segment elevation and depression is an indication of - Correct Answer: ischemia or injury to the heart
what does P wave represent on the ECG - Correct Answer: atrial depolarization
This study source was downloaded by 100000898058200 from nursinghero.com on 08-06-2025 20:12:37 GMT -05:00
https://www.nursinghero.com//study-files/2475004
, what does P wave represent on the ECG - Correct Answer: ventricular depolarization
what does P wave represent on the ECG - Correct Answer: repolarization of ventricles
rhythms that originate above the ventricles normally have a ___ QRS
complex - Correct Answer: narrow QRS complex
rhythms that originate in the ventricles normally have a ___ QRS complex - Correct Answer: wide QRS
complex
final pacemaker - Correct Answer: ventricles w/expected firing rate less than 40 bpm
a normal PR interval is - Correct Answer: .12-.20 seconds
A Flutter - Correct Answer: rate: 250 - 350 bpm HR varies!!
regularity: regular or irregular
P waves: "think of a shark fin or waves"
PR: not applicable - you don't measure it
QRS: < .12 secs
A Fib - Correct Answer: rate: fast & unmeasurable
regularity: irregular
P wave: NON. wavy baseline btwn QRS instead
PR: not applicable - you don't measure it
QRS: <.12 secs
(1*AVB) - Correct Answer: NO DROPPED QRS
PR interval > .20 secs
(2*AVB) - Correct Answer: PR wave gets longer + longer UNTIL QRS is DROPPED
This study source was downloaded by 100000898058200 from nursinghero.com on 08-06-2025 20:12:37 GMT -05:00
https://www.nursinghero.com//study-files/2475004
