what is usedin in combination with oxygen for conscious sedation?
what are four effects of N2O/O2 ?
pt remains conscious
protective reflexes are intact
releif of anxiety
light sedation to relax the patient who can respond to situations and questions
gereralized, reversible depression of the central nervous system characterized by loss of consciousness, amnesia and immobility but not necessarily complete anesthesia
the formation of blood or blood cells in the living body
nitrous oxide mixed with oxygen
t/f every patient must use 50% nitrous and 50% oxygen combination
FALSE! dose of the gas comination for conscious sedation is variable according to pt response
what is the recommended maximum nitrous oxide limit in dental?
60% nitrous 40% oxygen
what is the highest the nitrous machine will allow for nitrous to go?
70% nitrous/ 30% oxygen
what is it called withn there is rapid movement of large amounts of nitrous oxide from circulation into the lungs and may dilute the oxygen in the lungs?
how do you prevent diffusion hpoxia?
administer 100% oxygen for the time needed to clear the nitrous oxide from the lungs
how do you terminate the nitrous effects?
general anesthetic is a potent _____ depressant
general anesthetics produce a _______ loss of consciousness and insensitivity to ______ stimuli
N2O/O2 is considered an ________ anesthetic
what is stage I of anesthesia?
in what stage is a pt if on nitrous?
t/f in stage one the pt is unconscious
false pt remains conscious and can still respond to command
what is associated with stage II
involuntary movement and excitement
what is stage II of anestesia
delirium or excitement
in what stage is most surgery performed?
whathappens during stage IV
respiratory and medullary paralysis. pt DIES
ch 11 conscious sedation and general anesthesia