Which criteria will the nurse use when assessing for atrial fibrillation on the ECG strip?
1. Ventricular rate is usually regular in R to R distancing.
2. Atrial rate runs 300 to 500 with an unequal ratio of P to QRS.
3. P waves are regular and vary in ratio to QRS.
4. QRS width is wide due to a conductivity delay.
2
Rationale 1: R to R will vary and is not regular.
Rationale 2: This is the correct criteria that the nurse will use when assessing for atrial fibrillation on an ECG strip.
Rationale 3: P to QRS ratio will vary and not be constant.
Rationale 4: A wide QRS is seen with bundle branch block.
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