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UHNBC Friday Noon Rounds: A Case of the Winter Blues: Hypoxemia Due to Methemoglobinemia - Identification, Causes and Treatment (Prince George)

Event Start Date: 3/24/2017 12:00 PM

Event End Date: 3/24/2017 1:00 PM

Presenter: Graham Lloyd, R1 FM

Learning Objectives:

1. Definition of methemoglobin and how it is formed
2. Prevalence of disorder; congenital/hereditary vs acquired causes
3. Chemical properties of methemoglobin vs hemoglobin and its effects on oxygen carrying capacity and affinity
4. Basics of how pulse oximetry works
a. Basic function – what type of hemoglobins are picked up b. Sources of false readings i. Explanation of why methemoglobin and carboxyhemoglobin give false readings5. Function of a co-oximeter
6. How we can measure methemoglobin levels in the lab (UHNBC)
7. How arterial blood gas measures SaO2 and how methemoglobinemia affects this
8. Identification of medications and substances which cause methemoglobinemia
9. How to treat patients with symptomatic methehemoglobinemia
a. Methylene blue: basic mechanism of action b. Dose and route of administration

Location: UHNBC LDC Room 0505


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Event Locations

  • Northern Health > UHNBC Learning and Development Centre

    1475 Edmonton Street
    Prince George
    British Columbia
    V2M 1S2