The patient is a 45 year-old afebrile male with the followin…

The patient is a 45 year-old afebrile male with the following ventilator settings: SIMV, f 14, Vt 750, FIO2 40%. Arterial blood gas values are: pH: 7.43, PaCO2: 46; PaO2: 80; HCO3: 25; SaO2: 94%. Analysis of blood from the Swan-Ganz catheter is as follows: pH: 7.39; PvCO2: 52; PvO2: 35; HCO3: 24; SvO2: 72. Given that hemoglobin is 13.5 gm% and barometric pressure is 755 torr, mean airway pressure 15, SpO2 95, PeCO2 40, What is the OI?

The 6 minute walk is also useful for preoperative risk strat…

The 6 minute walk is also useful for preoperative risk stratification. For example, patients who walk less than _%? of their predicted distance during preoperative assessment for pulmonary surgery are at a higher risk of postoperative pulmonary complications.