And Answers
Normal pH - (correct answer) -7.35-7.45
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<7.35 Acid jl
>7.45 alkalosis jl
respiratory aklalosis - (correct answer) -pH> 7.45, PaC02 low, HC03 low
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respiratory acidosis - (correct answer) -pH < 7.35 jl jl jl jl jl jl jl
PaCO2 > 45 jl jl
Hc03 normal 22-26jl jl
Metabolic alkalosis - (correct answer) -pH > 7.45jl jl jl jl jl jl jl
HCO3 > 26 jl jl
PaC02 45-35 jl
normal oxygen levle - (correct answer) -80-100
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mild hypoxemia - (correct answer) -60-80
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moderate hypoxemia - (correct answer) -40-60 jl jl jl jl jl
severe hypoxemia - (correct answer) -<40
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A-a gradiatian calculation is a calculation of what? - (correct answer) -level of hypoxia
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PA02-Pa02
A-a gradiant varies with age, calculation - (correct answer) -2.5 + 0.21 x age in years
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5 causes of hypoxemia - (correct answer) -VQ mismatch
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shunt
PNA, interstitial lung dz
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hypoventilation
, high altitude
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clinical symptoms that require intubation - (correct answer) -neuromuscular depression or failure.
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spinal cord injuries jl jl
guillain barre syndrome jl jl
trauma-spinal cord injuries, phrenic nerve injury jl jl jl jl jl
myasthenia gravis jl
shock
status asthmaticus jl
sustained apnea of any kind jl jl jl jl
indications for weaning from vent - (correct answer) -underlying process that required the vent is
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corrected
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maintaining oxygen status jl jl
no presser support- levophed, epinephrine, etc.
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Pa02 >80, FI02 of 0.5, and PEEP <8.0 cm H20
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prior to seperation from the vent proceed with this ...... to determine if pt is able to dc vent - (correct
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answer) -trial of spontaneous breathing
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Volume targeted assist control (AC) mode - (correct answer) -the clinician determines tidal volume and
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rate/ pt can still breath over the vent. example: pt gets RR of 12 but has an additional 2 breaths on their
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own, pt will still breathe 14 breaths/min. tidal volume is based on the vent.
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Synchronized intermittent mandatory ventilation SIMV - (correct answer) -clinician sets rate, and tidal jl jl jl jl jl jl jl jl jl jl jl jl
volume, and peak inflation pt can also have their own breaths. tidal volume is set based on the patient.
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VENT doesn't specify tidal volume.
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Pressure Control - (correct answer) -A mode of ventilation that is normally patient or time triggered,
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pressure targeted and time cycled.
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AC control vent settings how do you determine tidal volume? - (correct answer) -is based on ideal body
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weight. careful with obese patients.
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tidal volume - (correct answer) -Amount of air that moves in and out of the lungs during a normal breath
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peep - (correct answer) -positive end expiratory pressure
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Static Pressure - (correct answer) -the pressure of air at rest, or that portion in moving air, if the air stream
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were to stop
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Plateau pressure - (correct answer) -Measures the compliance the entire lung
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