1. A 30 year old female is brought into the emergency
department after a drug overdose. The patient is
unresponsive. Vital signs are Temp 97.8, Pulse 110, BP
88/46, Resp 6. Stat ABGs are obtained and are as
follows: pH: 7.20, PCO2 = 60 mmHg, HCO3 = 20
mEq/L, PaO2 = 46 mmHg. correction of this acid-base
problem will require which of the following actions?