Misc. Info From Class Flashcards
why is it called the link 25?
insures FiO2 is >0.25
which ventillatory mode uses constant inspiratory flow?
VCV
if you suspect your patient is at risk for negative pressure pulmonary edema from biting on the tube, what is the first step you should take?
deflate the cuff
wat are some causes for an increase in pressures intraoperatively?
- possible obstruction (mucus/secretions) or kink in the tube
- possible bronchospasm
at what pressure does desflurane vaporize?
660mmHg
what type of vaporizers do not have all gases passing through?
copper kettle
plateau pressure is synonymous with what?
inspiratory pause
what type of vaporizer is the most portable?
aladin cassette
what type of vaporizer uses magnets?
aladin cassette
what type of gas never goes to the patient?
drive gas
what gases push the bellows up?
pt’s exhaled gas, FGF and Agent
drive gas is equal to what variable component?
minute ventilation
T or F: The reservoir bag contains CO2
TRUE
what drives a breath in the drager machine?
piston
at what point does the piston refill with fresh gas flow?
mid-exhalation