PAO2 - PaO2
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PAO2 is the Alveolar Air Equation:
PAO2 = FiO2 (Pb- Ph20) - PACO2/R
Notes:
Pb = 760 mmHg
Ph20 = 47 mmHg
R = 0.8
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real life using of gradient
Assume you want to know what is the formula of the gradient of the function in multivariable calculus. Let F be a scalar field function in n-dimension. Then, the gradient of a function is: ∇F = <fx1 , fx2, ... , fxn> In the 3-dimensional Cartesian space: ∇F = <fx, fy, fz>
Velocity is L/T, gradient ("per unit distance") is 1/L so L/T x 1/L = 1/T
Assume you want to know what is the formula of the gradient of the function in multivariable calculus. Let F be a scalar field function in n-dimension. Then, the gradient of a function is: ∇F = <fx1 , fx2, ... , fxn> In the 3-dimensional Cartesian space: ∇F = <fx, fy, fz>
Assume you want to know what is the formula of the gradient of the function in multivariable calculus. Let F be a scalar field function in n-dimension. Then, the gradient of a function is: ∇F = <fx1 , fx2, ... , fxn> In the 3-dimensional Cartesian space: ∇F = <fx, fy, fz>