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8 Cards in this Set
- Front
- Back
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Reasons to tube: mechanical |
1) RR _> 35/min 2) VC _< 15/kg (10/kg kids) 3) MIF _< 20 cm H20 |
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Reasons to tube: oxygenation |
1) PaO2_<70 mmHg on Fi 40% 2) A-a gradient _> 350 torr Fi 100% |
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Reasons to tube: ventilation |
1) PaCO2_>55 (unless chronic) 2) Vd/Vt _> 0.6 |
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Normal Qs/Qt |
0.1 |
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Alveolar gas equation! |
PAO2 = (713 × FiO2) - (PaCO2/0.8) |
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Normal A-a gradient |
10-20 mmHg |
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Hypoxemia with normal A-a gradient |
1) Low FiO2 2) Hypoventilation |
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Normal anion gap acidosis |
1) Bicarb wasting 2) Acid load 3) Saline admin 4) RTA - poor HCO3 resorb, Acid secretion |
