MedBugs: SAQ #11

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Case: Lithium overdose

A 55-year-old woman with a long history of bipolar disorder, presents 2 hours after ingesting 4 weeks’ worth of lithium carbonate (approx. 33.6g) in an intentional overdose 2 hours ago. She is alert, oriented and currently asymptomatic.

1. List (3) clinical effects of acute lithium poisoning. 3 marks

2. List and justify (3) specific investigations you would order for this patient. 3 marks

3. What is the role of decontamination in lithium toxicity? 2 marks

4. Outline (2) treatments that may be considered for a patient suffering from acute lithium toxicity and (2) indications / rationales for each. 4 marks

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Case: Lithium overdose

1. List (3) clinical effects of acute lithium poisoning. 3 marks

2. List and justify (3) specific investigations you would order for this patient. 3 marks

3. What is the role of decontamination in lithium toxicity? 2 marks

4. Outline (2) treatments that may be considered for a patient suffering from acute lithium toxicity and (2) indications / rationales for each. 4 marks

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