# Pulse (High or Low) — Blood donor deferral criteria compared across national blood services

For Pulse (High or Low), blood service is American Red Cross (US); waiting period is pulse between 50 and 100; condition is a pulse that is regular and less than 50 will require evaluation by the regional physician; outcome is temporary deferral, recorded from its source on 2026-08-06.

- **Criterion:** Pulse (High or Low)
- **Blood service:** American Red Cross (US) _(our reading, not quoted from the source)_
- **Waiting period:** pulse between 50 and 100
- **Condition:** a pulse that is regular and less than 50 will require evaluation by the regional physician _(verified: appears in the quote below)_
- **Outcome:** temporary deferral _(our reading, not quoted from the source)_

## What the source says

> Acceptable as long as your pulse is no more than 100 and no less than 50. A pulse that is regular and less than 50 will require evaluation by the regional American Red Cross physician.

## Source

- https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html

Last verified: 2026-08-06. Review by: 2027-02-02.
Part of [Blood donor deferral criteria compared across national blood services](https://referencesource.org/blood-donor-deferral-criteria/).