Exam (elaborations)
FP-C Equations & Formulas QUESTIONS AND ANSWERS (2024/2025) (VERIFIED ANSWERS)
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FP-C Equations & Formulas QUESTIONS AND ANSWERS (2024/2025) (VERIFIED ANSWERS)
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FP-C Equations & Formulas1. PO2 given barometric pressure: O2 Concentration (0.21) x Barometric
pres- sure
Sea level=760 torr
0.21 x 760 = 159 torr
2. Percentage of O2 required at higher altitudes
(i.e. if my FiO2 is 0.3 at 10,000 feet, what do I need to increase my FiO2 to at
20,000?): (%FiO2 x Current barometric pressure) / New barometric
pressure
10,000-20,000 feet: (0.3 x 523) / 349 = 0.44 (New FiO2)
3. Potential PO2: FiO2 x 5 = Potential FiO2
0.21 x 5 = 105 (Normal)
1/
, 4. PaO2/FiO2 Ratio: Ratio of arterial oxygen partial pressure to fractional
inspired oxygen
Used to distinguish ARDS severity
5. Pediatric ETT size: (16+age) / 4
6. ETT depth: 3x tube size
7. Suction/NG/Foley size: 2x ETT size
8. Chest tube size: 4x ETT size
9. Fluid Resuscitation-Neonate: 10mL/Kg
10.Fluid Resuscitation-Pediatric: 20mL/Kg
11.Fluid Resuscitation-Adult: 30mL/Kg
12.Fluid Mainenance-Pediatric: 4-2-1 rule
1-10 kg --> 4mL/Kg (For the first 10kg)
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