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Hypoxemia

  • Beyond Hypoxia: Other Causes of Low Pulse Oximetry

    Low SpO2 isn’t always hypoxia. Master pulse oximetry pitfalls like methemoglobinemia, skin pigmentation, and IV dyes to prevent ED misdiagnosis.
  • Why the Nonrebreather Should be Abandoned

    Standard NRBs often fail high minute ventilation. Learn why high flow nasal cannula is superior and how to utilize flush rate oxygen as a bridge to intubation.
  • Routine Oxygen Therapy Unnecessary with Suspected Heart Attack

    Unless there is direct evidence of hypoxemia, giving oxygen to a person with a suspected heart attack...

Beyond Hypoxia: Other Causes of Low Pulse Oximetry

January 9, 2026 - Catherine A. Marco, MD, FACEP, and Alan P. Marco, MD, MMM - 0 Comment

Low SpO2 isn’t always hypoxia. Master pulse oximetry pitfalls like methemoglobinemia, skin pigmentation, and IV dyes to prevent ED misdiagnosis.

Read More

Why the Nonrebreather Should be Abandoned

December 3, 2025 - Paul Jansson, MD, MS, FACEP - 0 Comment

Standard NRBs often fail high minute ventilation. Learn why high flow nasal cannula is superior and how to utilize flush rate oxygen as a bridge to intubation.

Read More

Routine Oxygen Therapy Unnecessary with Suspected Heart Attack

September 5, 2017 - Gene Emery (Reuters Health) - 0 Comment

Unless there is direct evidence of hypoxemia, giving oxygen to a person with a suspected heart attack…

Read More

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