Diagnosis
The diagnosis of paraquat in vomit or urine may be performed with sodium dithionate as follows:
- add alkali - sodium hydroxide or sodium bicarbonate - to 10 ml urine or gastric aspirate - until pH above 9
- add spatula of sodium dithionate
- shake gently
- blue or green colour is positive for paraquat
Create an account to add page annotations
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.