APEX EKG Test Questions And Answers Latest Top Score.
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APEX EKG
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APEX EKG
APEX EKG Test Questions And Answers Latest Top Score.
EKG Grid - correct answer. Each small square (the smaller lighter boxes within the big bold boxes) represents 0.04 seconds
Each larger square (the boxes within the bold lines) represents 0.2 seconds.
Each large square has 5 sm...
APEX EKG Test Questions And Answers
Latest Top Score.
EKG Grid - correct answer. Each small square (the smaller lighter boxes within the
big bold boxes) represents 0.04 seconds
Each larger square (the boxes within the bold lines) represents 0.2 seconds.
Each large square has 5 small squares across SO 0.04 X 5 = 0.2 seconds
The 6 Second Strip Method - correct answer. Least accurate, but quickest way to
estimate rate especially in irregular rhythms
EKG - correct answer.
EKG intervals - correct answer.
P Wave - correct answer. Atrial depolarization
PR Interval - correct answer. Normal is 0.12 to 0.20 seconds
Corresponds to the delay the AV node provides to allow for ventricular filling
QRS Complex - correct answer. Normal is <0.12 seconds usually between 0.06 to
0.10 seconds
Ventricular depolarization
QT Interval - correct answer. Normal 0.36-0.46
6 Steps for Rhythm Interpretation - correct answer. Determine Regularity
Calculate the Rate
Evaluate the P wave
Measure the PRI
Evaluate the QRS Width
Evaluate the T wave and Calculate the QTI
Normal Sinus Rhythm - correct answer. Regularity: atrial and ventricular rate are
regular
Rate: 60 to 100 beats per minute
P wave: upright, smooth, round and uniform shape, one for every QRS complex
PRI : 0.12 to 0.20 seconds
QRS: 0.06 to 0.10 seconds
, QTI: 0.36 to 0.46 seconds
T wave: upright, smooth and round uniform shape
Sinus Bradycardia - correct answer. Regularity: atrial and ventricular rate are regular
Rate: < 60 beats per minute
P wave: upright, smooth, round and uniform shape, one for every QRS complex
PRI : 0.12 to 0.20 seconds
QRS: 0.06 to 0.10 seconds
QTI: 0.36 to 0.46 seconds
T wave: upright, smooth and round uniform shape
Sinus Tachycardia - correct answer. Regularity: atrial and ventricular rate are
regular
Rate: >100 beats per minute
P wave: upright, smooth, round and uniform shape, one for every QRS complex
PRI : 0.12 to 0.20 seconds
QRS: 0.06 to 0.10 seconds
QTI: 0.36 to 0.46 seconds
T wave: upright, smooth and round uniform shape
Sinus Arrhythmia - correct answer. Regularity: atrial and ventricular rate are the
same but the rhythm will be slightly irregular
Rate: variable, can be bradycardia to normal
P wave: upright, smooth, round and uniform shape, one for every QRS complex
PRI : 0.12 to 0.20 seconds
QRS: 0.06 to 0.10 seconds
QTI: 0.36 to 0.46 seconds
T wave: upright, smooth and round uniform shape
Sinus Arrest and Sinus Pause - correct answer. Regularity: Regular but interrupted
(by a pause)
Rate: can occur at any heart rate
P wave: normal sinus P waves before the pause
PRI: 0.12 to 0.20 seconds before the pause, may be shorter or absent after the pause
QRS: 0.06 to 0.10 seconds on the sinus beats, on the escape beats the QRS may be
narrow or wide depending on which pacemaker of the heart resumes after the pause
QTI: 0.36 to 0.46 seconds for the sinus beats
Premature Atrial Contractions
PACs - correct answer. Regularity: underlying atrial rate is regular except for early
beat, ventricular rate is regular
Rate: determined by the underlying rhythm
P wave: upright, smooth, round and uniform shape, EXCEPT for the premature beat, it
will shaped differently
PRI : 0.12 to 0.20 seconds except for early beat
QRS: 0.06 to 0.10 seconds and all are uniform
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