Anesthesia Pharmacology Chapter 4:  Physics and Anesthesiology

Measured Flow Vaporizers

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Vernitrol Vaporizer: Ohmeda 885A Measured Flow System

from: Field Medicine, Walter Reed Army Medical Center

Measured-Flow Vaporizer: Halothane

 

Measured-Flow Vaporizer: Enflurane

41Vernitrol Flow Calculator (Whiz wheel)

41Using the whiz wheel: 
1. "Align the desired "% Concentration" scale value with the desired "Total Flow" scale value. 
2.Align the movable hairline with the appropriate anesthetic agent and temperature on the "Liquid Temperature" scales. 
3.The hairline them intersects the proper flow rate on the "Flow Thru Vernitrol Vaporizer" line."

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