Aldrete Score Calculator

Written by Great Medico

Updated September 25, 2026 •2 min read

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Coming out of anesthesia is not a single yes-or-no event. The Aldrete score turns five observable recovery domains into a 0–10 total that can help organize post-anesthesia assessment.

What this calculator does

This calculator scores consciousness, voluntary movement, breathing, blood-pressure change from the pre-anesthetic level, and skin color. Each domain contributes 0, 1 or 2 points, for a maximum of 10. The current tool uses the original color-based oxygenation item rather than a pulse-oximetry oxygen-saturation item.

How to use it

Select the option that best matches the patient in each of the five domains. Circulation should be judged against the person’s pre-anesthetic blood pressure, not against a generic “normal” pressure. Enter the observed state at the time of assessment rather than the best state reached earlier in recovery.

How the calculation works

The method is simple addition: consciousness + mobility + breathing + circulation + color. A fully awake patient who moves all four extremities, breathes deeply and coughs, has blood pressure within 20% of baseline, and has normal color receives 2 points in every category and a total of 10.

Example

The prefilled demonstration selects 2 points for all five items, so the result is 10/10 and appears in the common transfer-readiness score range. Changing breathing from 2 to 1, for example, would reduce the total to 9 without altering the other domains.

How to interpret the result

Scores of 9–10 are commonly used as a recovery threshold, but a score is only one part of a discharge or transfer decision. Pain, nausea, bleeding, airway concerns, procedure-specific risks and local PACU policy may still require observation even when the numeric score is high.

Limitations and notes

Modern “modified Aldrete” versions generally use oxygen saturation rather than the older color item. Because this calculator retains color, do not describe its result as a pulse-oximetry-based modified Aldrete score. It is clinical decision support only and cannot replace direct post-anesthesia monitoring or local discharge criteria.