A 65 year-old female patient with advanced emphysema comes to the ED and is placed on a nasal cannula at 6 L/min. On inspection, the respiratory therapist finds that the patient has become drowsy and less responsive since the oxygen therapy was initiated an hour ago. ABG on 6 L/min are: pH 7.33, PaCO2 64 torr, PaO2 85 torr, HCO3 35 mEq/L. Which of the following should the therapist recommend?
A. Leave the patient on the cannula and continue to monitor.
B. Change to a 24% Venti-mask and repeat ABG.
C. Change to a simple oxygen mask and repeat ABG.
D. Prepare the patient for
Ans: B. Change to a 24% Venti-mask and repeat ABG.
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At the scene of a motor vehicle accident, a car has extensive front-end damage and a deformed steering wheel. The restrained driver, who was self-extricated, is in the care of EMRs, who have applied a cervical collar and continue to maintain spine motion restriction precautions. The patient's airway is patent and respirations adequate. His radial pulse is rapid and weak, and his skin is cool and diaphoretic. The EMRs report the following vital signs: pulse, 136 beats/min; respirations, 20 breaths/min; blood pressure, 100/68 mmHg; and SpO2, 95% with supplemental O2 being administered. The right forearm is deformed, and the head, chest, and upper back are uninjured according to your assessment. Your next action would be to:
A) Start positive pressure ventilation B) Repeat the vital signs C) Change the nonrebreather mask to a nasal cannula D) Check the abdomen for injury
The study of the human ears, nose, and throat systems is called:
A. ophthalmology. B. podiatry. C. gastroenterology. D. otorhinolaryngology.