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Resources: Glossary

The Glossary contains terms commonly associated with ventilators, the community, and respiratory physiology. Click on a hyperlinked letter to view the entries that begin with that letter, then scroll down in the window to find the word you are looking for.

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Ohm's Law The current flowing through a circuit is directly proportional to the electromotive force (emf) across the circuit. Expressed as: E=IR in which E is the emf (voltage), I is the current (amperes), and R is the electrical resistance (ohms). This is an analog of the relation defining airway resistance, Raw: (pressure difference along the airways) = (flow through the airways) x Raw.

Open Lung Tool (Siemens)

Click here to view the description written by Siemens Elema AB
Oxygen O2 - The gas required by the body for metabolism; it enters the body and is transferred to the blood by the lungs.
Oxygen Saturation The ratio of the amount of oxygen carried by blood to the maximum amount that it could carry, expressed as a percent.
Oxygen Saturation Curve The relation between the amount of oxygen carried by the blood and the partial pressure of oxygen in the blood. It is affected by the partial pressure of carbon dioxide, hematocrit, condition of the red blood cells, and temperature of the blood.
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