A Patient's Monitor Strip Shows an Irregular Rhythm

question 1

Multiple Choice

A patient's monitor strip shows an irregular rhythm. Which count and approach should the nurse use to estimate this patient's heart rate?

• A) Small blocks between two consecutive R waves and divide by 1500
• B) Large blocks between two consecutive R waves and divide by 300
• C) QRS complexes in 6 seconds and multiply by 10
• D) Large blocks in 3 seconds and multiply by 20

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