Alcohol Withdrawal Flashcards
Define Alcohol withdrawal
Alcohol withdrawal syndrome occurs when an alcohol dependent person decreases or stops their intake. It normally begins 4-12 hours after the patients last drink.
What is the aetiology of alcohol withdrawal?
Blood alcohol level drops below what the patient normally has causing withdrawal symptoms
Common where there is a family history or abrupt withdrawal
Who and where is alcohol withdrawal prevalent?
Over 15’s (more in 18-25 than over 26)
Binge drinkers>excessive drinkers
What are the symptoms of alcohol withdrawal?
Alcohol use
Change in mental status
Hallucinations
Delusions
What are the signs of alcohol withdrawal?
Tremor
Hypertension
Nause/ vomiting
What are the investigations of alcohol withdrawal and how would you interpret them?
Bloods
> U&E- lactic acidosis, dehydration (low U), hypokalaemia
> Cr- elevated
> Ethanol- positive
> FBC- infection risk
CT head (normal, rules out differentials)
CXR (normal, rules out differentials)
What is the management of alcohol withdrawal?
Benzodiazepine/ clomethiazone
Supportive care
ADJUNCTS: Phenobarbital/ Vitamin supplements/ propofol/ dexmedetomidine
What are the complications of alcohol withdrawal?
Delirium tremens Over sedation Seizures Status epilepticus Death
What is the prognosis of alcohol withdrawal?
Relapse may occur
Generally not deadly if well controlled