SAQ 343 – Toxicology – methaemoglobinaemia

Marked out of 10.00

A 21-year-old man presents from a music festival with shortness of breath and chest pain. His lips are cyanosed and his oxygen saturation remains low despite high-flow oxygen. A clinical image is shown below.

Observation Value
Temperature 36.2 C
Heart rate 121/min
Blood pressure 130/88 mmHg
Respiratory rate 34/min
Oxygen saturation 85% on 10 L/min oxygen
Clinical image showing cyanosed lips in a patient with suspected methaemoglobinaemia.
Cyanosis

State the most likely diagnosis.

(Marked out of 1.0)


/ 1

Explain the pathogenesis of his symptoms.

(Marked out of 2.0)


/ 2

Name four (4) agents that can cause this condition.

(Marked out of 4.0)


/ 4

Outline management.

(Marked out of 3.0)


/ 3

Total Score: 0 / 10

Percentage: 0%

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