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NRNP 6566 final prep 6-12 WITH 100- CORRECT ANSWERS.
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NRNP 6566 final prep 6-12 WITH 100- CORRECT ANSWERS.
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EUNICENRNP 6566 final prep 6-12 WITH 100% CORRECT ANSWERS
Terms in this set (110)
7.35-7.45
Normal pH
<7.35 Acid
>7.45 alkalosis
respiratory aklalosis pH> 7.45, PaC02 low, HC03 low
pH < 7.35
respiratory acidosis PaCO2 > 45
Hc03 normal 22-26
pH > 7.45
Metabolic alkalosis HCO3 > 26
PaC02 45-35
normal oxygen levle 80-100
mild hypoxemia 60-80
moderate hypoxemia 40-60
severe hypoxemia <40
A-a gradiatian calculation is a calculation of level of hypoxia
what? PA02-Pa02
A-a gradiant varies with age, calculation 2.5 + 0.21 x age in years
VQ mismatch
shunt
5 causes of hypoxemia PNA, interstitial lung dz
hypoventilation
high altitude
1/6
, neuromuscular depression or failure.
spinal cord injuries
guillain barre syndrome
trauma-spinal cord injuries, phrenic nerve injury
clinical symptoms that require intubation
myasthenia gravis
shock
status asthmaticus
sustained apnea of any kind
underlying process that required the vent is corrected
maintaining oxygen status
indications for weaning from vent
no presser support- levophed, epinephrine, etc.
Pa02 >80, FI02 of 0.5, and PEEP <8.0 cm H20
prior to seperation from the vent proceed trial of spontaneous breathing
with this ........to determine if pt is able to dc
vent
the clinician determines tidal volume and rate/ pt can still breath over the vent.
Volume targeted assist control (AC) mode example: pt gets RR of 12 but has an additional 2 breaths on their own, pt will still
breathe 14 breaths/min. tidal volume is based on the vent.
Synchronized intermittent mandatory clinician sets rate, and tidal volume, and peak inflation pt can also have their own
ventilation SIMV breaths. tidal volume is set based on the patient. VENT doesn't specify tidal volume.
A mode of ventilation that is normally patient or time triggered, pressure targeted
Pressure Control
and time cycled.
AC control vent settings how do you is based on ideal body weight. careful with obese patients.
determine tidal volume?
tidal volume Amount of air that moves in and out of the lungs during a normal breath
peep positive end expiratory pressure
Static Pressure the pressure of air at rest, or that portion in moving air, if the air stream were to stop
Measures the compliance the entire lung
Plateau pressure
End inspiratory pause button
Peak pressure Pressure required to get a volume of air into the lungs, fighting resistance
increase in peak pressure is a complication ARDS or restrictive airway patients.
from which patients?
high peak pressures with normal plateau resistance, such as an ET obstruction or bronchospasm
pressures indicate....
Minimal sedation relief of anxiety, minimal affection on sensorium, anti-anixety medications
-Depression of consciousness is drug induced
moderate sedation -Patient is able to respond to verbal commands
-Cardiac and respiratory function not usually affected
client cannot be easily aroused, but can respond after repeated stimulation.
Deep sedation
respiration may need to be supported
the blockage of all body sensations, causing un-consciousness and loss of reflexes.
general anesthesia
cardiac and respiratory monitoring is essential
type of moderate sedation that occurs when using meds such as ketamine.
dissociation
dissociation of the limbic system.
a serious problem encountered in the ICU; patients have an increased length of stay
ICU delirium
& increased mortality
2/6
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