Causes of asterixis (flapping tremor)

DRUGS (ABC) :

- Alcohol

- Barbiturate

- carbamazepine

FAILED :

- respiratory failure
- liver failure
- renal failure

Helping : H = HYPO

- hypoglycemia
- hypokalemia
- hypomagnesemia

Him : H = HEMORRHAGE 

- intracerebral hemorrhage
- subarachinoid hemorrhage
- subdural hematoma