Which of the following might cause sinus tachycardia?
a. Vomiting c. Thyrotoxicosis
b. Hypothermia d. Mediastinal tumors
ANS: C
Thyrotoxicosis, which refers to the hypermetabolic clinical syndrome that results from serum ele-vations in thyroid hormone, can cause sinus tachycardia. Vomiting, hypothermia, and mediastinal tumors can cause sinus bradycardia.
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Although each patient is different, a PEEP greater than ____ cm H2O is associated with an increased incidence of alveolar rupture or barotrauma.
A. 10 B. 15 C. 20 D. 25
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