Hydrogen cyanide

CAS RN: 74-90-8


A) Cyanide levels can be measured to confirm the diagnosis, but are usually not available in a timely manner to be clinically useful.
B) Monitor vital signs, serum chemistry, and lactate concentrations.
C) Obtain blood for arterial blood gases with venous pO2 or measured venous %O2 saturation, electrolytes, serum lactate, and whole blood cyanide levels.
D) Institute continuous cardiac monitoring and obtain an ECG.
E) Methemoglobin should also be monitored frequently in patients receiving intravenous sodium nitrite.
F) Obtain a carboxyhemoglobin level in the setting of a fire.
G) Consider a head CT for comatose patients.
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