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Asked by waleomoakin
A 68-year-old man with Crohn disease was admitted with a small bowel fistula. Now on postoperative day 2 after a small bowel resection, he has hematochezia, nausea, vomiting, abdominal pain, and distention. Heart rate is 134 beats/min and blood pressure is 84/52 mm Hg. Hemoglobin is 6.2 g/dL. Pulse oximetry has a poor waveform and readings are poor and inconsistent. Which of the following is the most likely causing the poor pulse oximetry readings? A. Drop in hemoglobin B. Excessive nail polish C. Elevated carbon dioxide D. Vasoconstriction
SCIENCE
HEALTH SCIENCE
NURSING

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