blood gas

[ bluhd gas ]

noun

1. a gas, as oxygen or carbon dioxide, that is dissolved in plasma.
2. a test to determine the pH and concentration of blood gases.

blood gas

1. Any of the dissolved gases in blood plasma, especially oxygen and carbon dioxide.

Word History and Origins

Origin of blood gas¹

First recorded in 1845–50

Example Sentences

She sent him to the hospital for an arterial blood gas draw.

From Los Angeles Times

Mr Johnson then asked Ms Letby about a blood gas record chart relating to one of the babies in this case, which was also found at her home.

From BBC

“What we were seeing anecdotally was exactly what we ended up showing in the final paper, that on the monitor in the patient’s room, the pulse oximeter would be reading ‘normal,’ but when we got an arterial blood gas, the saturation on the gas was low,” he said.

From New York Times

The study compared pulse oximeter measures with values obtained from a more invasive type of test, called an arterial blood gas test, carried out in the same patients at about the same time.

From New York Times

Arterial blood gas tests are used more rarely, because they require drawing blood from an artery, which is a more invasive procedure than drawing blood from a vein.

From New York Times