The mnemonic
Nitrite then Thiosulphate
What each word stands for
- NitriteForms methaemoglobin to bind cyanide
- ThiosulphateConverts cyanide to thiocyanate for excretion
Why it matters clinically
Recalls the classic two-step treatment.
Where it stops being reliable
Hydroxocobalamin is an alternative and is often preferred.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.