Nurse Martinez is tending to Mr. Rodriguez, a 67-year-old patient with atrial fibrillation. He has been on digoxin (Lanoxin) 0.25 mg daily to control his heart rate. His cardiologist, aware of his medication regimen, has added metoprolol (Lopressor) 25 mg B.I.D to further manage his condition. Before Nurse Martinez administers the two medications, she carefully assesses Mr. Rodriguez’s vital signs. Which of her findings would be of greatest concern and necessitate immediate communication with the cardiologist?    A. Blood pressure 94/60 mm Hg  B. Heart rate 76 bpm  C. Urine output 50 ml/hour  D. Respiratory rate 16 bpm

Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
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Nurse Martinez is tending to Mr. Rodriguez, a 67-year-old patient with atrial fibrillation. He has been on digoxin (Lanoxin) 0.25 mg daily to control his heart rate. His cardiologist, aware of his medication regimen, has added metoprolol (Lopressor) 25 mg B.I.D to further manage his condition. Before Nurse Martinez administers the two medications, she carefully assesses Mr. Rodriguez’s vital signs. Which of her findings would be of greatest concern and necessitate immediate communication with the cardiologist?
 
 A. Blood pressure 94/60 mm Hg
 B. Heart rate 76 bpm
 C. Urine output 50 ml/hour
 D. Respiratory rate 16 bpm
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