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APEX EKG Test | Questions with 100% Correct Answers | Verified | Updated 2024
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APEX EKG Test | Questions with 100% Correct Answers | Verified | Updated 2024
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APEX EKG Test Complete1. EKG Grid: Each small square (the smaller lighter boxes g bold
boxes)
within the bi represents 0.04 seconds
Each larger square (the boxes within the bold lines) econd
represents 0.2 s Each large square has 5 small squares
across SO 0.04 X 5 = 0.2 se
2. The 6 Second Strip Method: Least accurate, but quickest way to
estimate rate especially in irregular rhythms
3. EKG:
4. EKG intervals:
5. P Wave: Atrial depolarization
6. PR Interval: Normal is 0.12 to 0.20 seconds
Corresponds to the delay the AV node provides to allow for ventricular
filling
7. QRS Complex: Normal is <0.12 seconds usually between 0.06 to 0.10
seconds Ventricular depolarization
1/
, 8. QT Interval: Normal 0.36-0.46
9. 6 Steps for Rhythm Interpretation: Determine
Regularity Calculate the Rate
Evaluate the P wave
Measure the PRI
Evaluate the QRS
Width
Evaluate the T wave and Calculate the QTI
10.Normal Sinus Rhythm: 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
11.Sinus Bradycardia: 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
2/
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