Most common cause of hypoxemia in immediate postoperative period is:
After shunt (V/Q mismatch) second most common cause of hypoxemia in postoperative period is hypoventilation which may be because of:
a. Overdosage of opioids, inhalational agents, benzodiazepines, barbiturates.
b. Inadequate reversal.
d. High spinal/epidural.
e. CNS disorders.
f. Cardiac event (like myocardial ischemia).