More than half of MDs are specialists

A male patient (83-kg IBW) is intubated and ventilated with PC-CMV, f = 12/min, set PIP = 28 cm H2O, resulting in a VT of 430 mL

The ABG results on this setting are: pH 7.35, PaCO2 45 mm Hg, and HCO3? 23 mEq/L. For-ty-eight hours later on the same settings, the ABG results are: pH 7.54, PaCO2 27 mm Hg, and HCO3? 21 mEq/L with an exhaled VT of 800 mL. The most appropriate action at this time is which of the following? a. Decrease PIP to 25 cm H2O. b. Decrease PIP to 19 cm H2O. c. Decrease f to 10/min. d. Decrease f to 8/min.

Which of the following is true regarding mortality rates?

A. The poor have lower death rates than the non-poor. B. Older people have lower death rates than younger people. C. Female mortality rates are lower than male mortality rates. D. None of the above