Anesthesia and Physics
Pressure is inversely proportional to volume at constant temperature
What is Boyles Law?
F=MxA
What is Newton's second law?
The rate of effusion is inversely proportional to the square root of the molecular mass
What is Graham's Law of Effusion
A bond that results from a coulombic attraction between oppositely charged atoms.
What is an ionic bond
CaO2 = (Hb x 1.39 x SaO2) + (PaO2 x 0.003)
What is Fick's principle to calculate cardiac output?
•Gas volume is directly proportional to the temperature at a constant pressure.
What is Charles Law?
The gravitational force exerted on an
object by another larger object such as the earth.
What is weight?
The surface of fluid between any air filled interface under tension.
What is surface tension
Sharing one or more pairs of electrons between atoms.
What is a covalent bond
Pressure is directly related to the temperature (constant V)
What is Gay Lussac’s Law?
P1/T1 = P2/T2
P/T = constant
What is Gay-Lussac’s Law?
This full cylinder of gas has a 2200 psi.
What is oxygen
T = PR
What is Laplace Law for cylinders?
As a structure expands its radius, the tension in the wall structure increases
A bond that results from overlaps between to electron clouds.
What is Valence bond Theory?
The volume of a gas is directly proportional to the number of gas molecules (constant T and P )
What is Avogadro’s Law?
•At STP, one mole of (an ideal) gas has a volume of 22.414 L
What is a standard mole volume?
Flow is directly proportional to the pressure gradient in the system,
and inversely proportional to resistance of the system to flow
Flow increases 16-fold when the radius doubles
What is Poiseuille's Law?
Composed of dipalmityl phosphatidylcholine and phospholipids (lecithin and spingomyelin) secreted by the alveolar epithelium’s great alveolar (type II) cells.
what is Surfactant?
The first to develop the electronegativity scale.
Who is Linus Pauling?
The total pressure of a mixture of gases is the sum of the pressures of the individual gases, known as partial pressures of gases
What is Dalton’s Law of Partial Pressures?
P total = P1 +P2 + P3 + P....
What is Dalton's Law?
■Depression of thermoregulatory center in the hypothalamus
■Anesthetic vasodilation
■Exposure of the surgical field
■Exposure to cold/dry OR air
■Infusion of cold IV fluids
■Inability to shiver
What are implications of anesthesia hypothermia?
CO X (Arterial O2-VenousO2)=?
What is Cellular O2 consumption?
Fick equation
Two atoms of different electronegativity are bonded together
What is polar covalent bonds?
•Volume is inversely related to pressure
(constant n and T )
What is Boyles Law?