Poison

Question 1

Carbon monoxide

Answer 1

Headache(90%)
Vertigo(50%)
N&V(50%)
Altered consciousness(30%)
Subjective weakness(20%)

Confusion, HR+++, cherry red skin
Pulse oximetry: falsely high
ABG: carboxyhaemoglobin(<3% non smoker, 3-10% smoker, 10-30% CO toxic, >30% severe)
ECG to check ischaemia

Mx: 100% oxygen via non rebreather mask
Hyperbaric oxygen

Question 2

CAGE questionnaire

Answer 2

To assess alcohol dependence

4 questions, if YES to 2 then need investigation

1. Ever felt need to Cut down? (C)
2. Ever got Annoyed that people ask you to stop drinking? (A)
3. Ever felt Guilty about drinking? (G)
4. Ever need an Eye opener?(E)