Resp. Flashcards
upper airway
Warms, humidifies and filters
Lower airway is protected by
epiglotis, cilia, and ribs
Inhalation
active process. diaphragm and intracostle muscles expand lungs (decreased pressure
Exhalation
Passive. lung’s elasticity increases pressure
Tidal volume
single breath volume. about 500mL
Dead space
150mL of air that doesn’t it to the aviolas
Rales
fluid in the bases (crackle)
Wheezing
bronchioles constricting
Rhonchi
course bubbling (bronchitis)
Strides
upper airway obstruction (crowing)
Orophayngeal airway
Creates pantent airway through mouth.
Indicator: Apneic patient being ventilates
Contra: Gag reflex
measurement: Center of mouth to angle of jaw
Nasopharyngeal airway
creates pantent airway through nose.
Indicator: Semiconscious or unconscious PT. with gag reflex.
Contra: head or facial injury
Measurement: side of nose to ear lobe
suction equipment
keeps airway clear. use no longer than the following:
A: 15 sec.
C: 10 sec.
I: 5 sec.
O2 cylinder
Full 2000 psi
cant go on call with less 500 psi
Nonrebreather
aka NRB
15 L/M
provides 90% O2
Fill reseviour bag