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12 Cards in this Set
- Front
- Back
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what are the indications (9) for ventilatory support?
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cardiac or resp arrest
tachypnea or bradypnea acute resp acidosis refractory hypoxemia inability to protect airway inability to mobilize secretions shock short term adjunct to ICP mgmnt newly diag neuro-muscul disease |
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what is the most common indication for mechanical ventilation?
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resp failure
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normal range for chest wall compliance?
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150 - 200cc / cm H2O
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normal range for lung compliance?
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150 - 200cc / cm H2O
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normal total compliance?
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75 - 100cc / cm H2O
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the equation of motion is:
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P x (Vt x El) + (Flow x Raw)
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cost of breathing is usually:
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1 - 3 % of Cardiac Output
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what is the blood gas criteria for type I resp failure?
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A-a grad>350@100% FiO2 or PaO2/FiO2<200
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what are the 3 common etiologies/ causes of shunts?
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atelectasis
pulmonary edema pneumonia |
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what are the 4 goals of ventilatory support?
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correct hypoxemia
improve cardiac function improve ventilation by augmenting resp rate & Vt |
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what is the blood gas criteria for type II resp failure?
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PaCO2>55mmhg
pH<7.25mEq |
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when considering Vd/Vt, what is the normal & the indicator for ventilatory support?
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normal range: 0.20 - 0.40
indicates need for vent: >0.60 |
