Advanced Arrhythmia Exam Prep Questions with Verified Answers Rated A

Advanced Arrhythmia Exam Prep Questions with Verified
Answers Rated A

what does each small box represent - -.04 what does P wave represent on the ECG -
seconds -atrial depolarization


what does 1 large box (5 small boxes) represent what does P wave represent on the ECG -
- -.20 seconds -ventricular depolarization


what do 5 large boxes represent - -1 what does P wave represent on the ECG -
second -repolarization of ventricles


primary pacemaker - -SA node w/expected rhythms that originate above the ventricles
firing rat of 60-100 bpm normally have a ___
QRS complex - -narrow QRS complex

backup pacemaker - -AV node w/expected
firing rate of 40-60 bpm rhythms that originate in the ventricles normally
have a ___ QRS complex - -wide QRS
complex
final pacemaker - -ventricles w/expected
firing rate less than 40 bpm
A Flutter - -rate: 250 - 350 bpm HR varies!!
regularity: regular or irregular
a normal PR interval is - -.12-.20 seconds P waves: "think of a shark fin or waves"
PR: not applicable - you don't measure it
QRS: < .12 secs
a normal QRS interval is - -< .12 seconds
(.04-.11)
A Fib - -rate: fast & unmeasurable
regularity: irregular
a normal QT interval is - -.36-.44 seconds P wave: NON. wavy baseline btwn QRS instead
PR: not applicable - you don't measure it
QRS: <.12 secs
the ST segment should be ____ with the _____ -
-level w/ the baseline
(1*AVB) - -NO DROPPED QRS
PR interval > .20 secs
ST segment elevation and depression is an
indication of - -ischemia or injury to the
heart (2*AVB) - -PR wave gets longer + longer
UNTIL QRS is DROPPED


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