-
not a goal of applying mechanical vent to a pt
increase stress on the cardio-pulm system
-
3 indications for mechanical ventilation
- impending resp failure
- acute resp failure
- prophylactic vent support
-
not necessary for oral intubation
water soluble lubricant
-
a RR of ____ shows impending resp failure
> 40 bpm
-
3 physical assessment of resp failure
- tachycardia
- cardiac arrythmias
- hypertension
-
severe hypoxemia can be seen on an ABG as a (2)
PaO2 < 60 mmHg on 50% Fi02
PaO2 < 40 on any FI02
-
alveolar air equation is used to calculate
PAO2
-
prophylactic vent support is used in pt who present w/
pulmonary complications
-
an absolute contraindication to mech vent is
untreated tension pneumothorax
-
common parameters to set when ventilating in an assist control/volume mode are
-
common parameters to set when ventilating in an SIMV/pressure mode are
rr
pressure
-
range for setting vt to ideal body weight is (2)
- 8-12 cc/Kg for a surgical pt
- 5'8 cc/Kg for a medical pt
-
-
-
a pt has a PaCO2 of 50 mmHg. what would u adjust to reduce the pt PaCO2 w/o increasing their peak pressure
increase rr
-
minute vol (formula)
vt x rr
-
over time, high levels of O2 can cause
none of the above (hyperventilating will cause Nitrogen washout)
-
Peep
- is set in cmH2O
- inc FRC
- is considered physiologic at a setting of +5
(all of the above)
-
normal range for an I:E ratio is
1:2 - 1:4
-
-
flow (if set) is set in
LPM
-
an I:E ratio of 1:1 equals a _____% i-time
50
-
which of the following breath delivery waveforms has the fastest flow to the pt
square
-
an increase of flow
none of the above (inc flow, dec i-time, inc exp time)
-
a decrease in Vt will
inc e-time
-
the high and low pressure alarms are normally set ______ cmH20 above and below peak pressure
10-15
-
high RR alarm should be set ____ bpm over the observed rate
10-15
-
input power to a mechanical vent can be (2)
-
drive mechanisms on a mech vent includes (4)
- microprocessors and solenoid valves
- pistons
- bellows
- reducing valves
(all of the above)
-
control variable on a mechanical ventilator include ____ controller/s (4)
-
when turning on the PB 840, it must have a _____ circuit to function properly
open
-
when using the PB 840, D sens (2)
refers to the % of the breath that must be lost for the 840 to alarm circuit disconnect
can adjust to compensate for a cuffless tracheostomy tube
-
when using the PB 840, V max refers to
flow
-
when using the PB 840 V sens refers to
sensitivity
-
must produce a pressure gradient btwn the airway opening and the alveoli in order to produce inspiratory flow and volume delivery is termed for
a mechanical ventilator
-
in assist control, if a pt breathes over the set RR they receive
set vt
-
in simv, if a pt breaths over the set RR they receive
their own spontaneous vt
-
pressure support can be active in which of the following modes (3)
- simv
- spontaneous
- simv/pressure control
(all of the above)
-
in ac/vc, which of the following variables are set (2)
-
in simv/vc, which of the following variable are set (3)
-
In AC/PC, which of the following variables are set?
pressure
-
t/f ac/pc is not a weaning mode
true
-
in PRVC which of the following vary to deliver volume at the lowest possible pressure
flow and vt
-
airway pressure release ventilation sets
two peak flows
-
if a pt peak pressure is too high on AC, which of the following modes should be tried (2)
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