Post Op #2 Flashcards
common cause of airway obstruction
tongue falling against soft palate and occluding the pharynx
other causes of ariway obstruction
laryngeal edema, laryngospasm, thick secretions
hypoemxia indications
pO2 of arterial O2 <60mmHg and SpO2 is <92%
common causes of post op hypoxemia
atelectasis, aspiration, bronchospasm, pulmonary edema and pulmonary embolism
what is a common cause of post op delirium
hypoxemia
causes of hypoventilation
-decreased respiratory drive from opioids
-pain
-mechanical restriction
-poor respiratory tone
prevention of hypoventilation
cough and deep breathe
causes of post op HYPOtension
fluid and bood loss
what does hypotension cause
hypoprofusion to vital organs
causes of post of HYPERtension
sympathetic nervous system stimulation, preexisting HTN, pain, anxiety, stress, respiratory distress, hypothermia
causes of post op dysrhytmias
preexisting heart disease, hypoxemia, electrolyte imbalances, hypothermia, pain, stress and anxiety
increased mortality with what post op problem
delirium
2 causes of delirium
hypoxemia and alcohol use
GI complications post op
post op n/v, constipation, postoperative ileus, hiccups
how to treat ileus
NG tube to decompress
genitourinary complications post up
-uringary retention leading to overfilling of bladder
-decreased urine output (expected in 1st 24 hour
define oliguria
diminished urine output
how much urine output to expect in the first 24 hours post op
800-1500mL
normal urine out put
.5mL/kg/hour
when should a catheter be removed to prevent post op UTI
asap or within 24hours
