The editorial department strives to lead discussion about community issues. Readers contribute to that discussion by submitting letters for publication. We encourage readers to express their views ...

As of May 2026, the trauma resuscitation playbook has been rewritten with the release of the most significant AHA CPR updates since 2020, introducing strict compression depth limits (2-2.4 inches) and ...

Key Takeaways Normal SpO2 readings typically range from 95% to 100%, while readings below 90% require immediate medical attention Proper preparation, including warming hands, removing nail polish, and ...

Abstract: Recent studies investigated the feasibility of using an RGB camera to estimate peripheral oxygen saturation (SpO2), i.e., “Ratio of Ratios” by red (R) and green (G) channels and calibration ...