Run Anesthesia Machine Pre-Use Check — Free

Machine Identification and Pre-Use Setup

Anesthesia machine identified and assigned to the correct procedure room critical (required)

Confirm the machine is the intended unit for the case and is positioned for immediate use.

Yes No N/A

Power connected and machine passes startup self-test critical (required)

Verify the unit powers on normally and any built-in self-check completes without unresolved alarms or errors.

Yes No N/A

Vaporizers secured and agent level within usable range critical (required)

Confirm vaporizers are locked in place, correctly filled if applicable, and set according to local policy.

Yes No N/A

High-Pressure System

Oxygen supply cylinder present, secured, and full enough for emergency use critical (required)

Check cylinder presence, secure mounting, and pressure adequate for backup oxygen supply.

Yes No N/A

Cylinder pressure gauge indicates acceptable pressure critical (required)

Record the cylinder pressure reading and confirm it meets local minimum backup requirements.

Pipeline gas hoses connected to correct wall outlets and secure critical (required)

Verify oxygen, nitrous oxide, and air hoses are connected to the correct outlets and are not loose, damaged, or crossed.

Yes No N/A

Pipeline pressure indicators within normal operating range critical (required)

Confirm pipeline supply pressures are normal and no low-supply alarms are present.

Yes No N/A

Low-Pressure System

Flow control knobs move smoothly and return to closed position critical (required)

Check each flow control knob for smooth operation and proper closure.

Yes No N/A

Flowmeters are intact, readable, and function during flow adjustment critical (required)

Verify flowmeters are not cracked, stuck, or obscured and that bobbins respond appropriately.

Yes No N/A

Low-pressure system leak test completed without leak critical (required)

Perform the machine leak test per local SOP and confirm the system holds pressure.

Yes No N/A

Oxygen flush valve operates and returns normally critical (required)

Confirm the oxygen flush delivers flow when activated and stops when released.

Yes No N/A

Breathing Circuit and Ventilator

Breathing circuit assembled correctly and free of visible damage critical (required)

Inspect hoses, connectors, Y-piece, and reservoir bag for cracks, disconnections, or wear.

Yes No N/A

Reservoir bag inflates and deflates appropriately critical (required)

Confirm the bag responds normally during manual ventilation and system testing.

Yes No N/A

APL valve functions and is set appropriately critical (required)

Verify the adjustable pressure-limiting valve turns freely and is set per case requirements.

Yes No N/A

CO2 absorbent present and not exhausted or channeling critical (required)

Inspect absorbent canister condition, color change, and evidence of channeling or depletion.

Yes No N/A

Ventilator performs test cycle without alarm or abnormal pressure critical (required)

Run the ventilator test mode and verify normal cycling, pressures, and alarm behavior.

Yes No N/A

Gas Analyzer and Monitoring

Gas analyzer powers on and completes calibration or warm-up critical (required)

Confirm the analyzer is operational and ready to display accurate readings.

Yes No N/A

Inspired and end-tidal gas readings display correctly critical (required)

Verify the monitor displays oxygen, anesthetic agent, and carbon dioxide values as applicable.

Yes No N/A

Gas sampling line connected and unobstructed critical (required)

Check the sampling line for secure connection, kinks, moisture, or occlusion.

Yes No N/A

Alarm limits set according to local policy critical (required)

Confirm high and low alarm thresholds are configured before patient use.

Yes No N/A

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Run: Anesthesia Machine Pre-Use Check

Machine Identification and Pre-Use Setup

High-Pressure System

Low-Pressure System

Breathing Circuit and Ventilator

Gas Analyzer and Monitoring

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