Chemistry and Physics
for Nurse Anesthesia
Chapter 1 & 2
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, Converting Celsius to Fahrenheit F= 1.8C +32
PIO2 = PiO2 = (Patm- PH2O) x FiO2
Patm (atmospheric pressure at sea level) 760mmHg
PH2O (water vapor pressure) 47mmHg at body temperature
FiO2 (fraction of inspired oxygen) 21% (at room air)
alveolar equation PAO2= FiO2 (PB-PH20) - PACO2/RQ
RQ (respiratory quotient) 0.8
1 atm of pressure 760mmHg (or 101.3kPa)
estimated creatinine clearance eCCr = (140-age)x mass (kg) x [0.85 if female] / 72 x [serum creatinine in mg/dL]
sugammadex (bridion) warning *not recommended for use in those with CrCl <30mL/min
boyle's law P1V2= P2V2 *at constant T, as pressure increases, volume increases
charles' law V1/T1= V2/T2 *at constant P, as volume increases, temperature increases
gay-lussac's law P1/T1 = P2/T2 *at constant V, as pressure increases, temperature increases
combined law P1V1/T1 = P2V2/T2 *obtained by combining boyle's, charles', and gay-lussac's
ideal gas law PV= nRT
when powers are multiplied, the exponents are.... ADDED