Sudden Death Flashcards

1
Q

A 28 year old known type 1 diabetic is admitted with a 4 day history of polyuria, polydipsia, tiredness, nausea and vomiting. A capillary blood glucose returns at 18.2mmol/L and capillary ketones are 3.6mmol/L.

What is the most appropriate investigation to confirm the most likely diagnosis?

A

Venous blood gases- low PH or bicarbonate would confirm a diagnosis of DKA

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2
Q

Potential ECG changes in a person with DKA?

A

Hypokalaemia- can lead to small T waves present in ECG and prolonged PR interval

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3
Q

An 18 year old male presents to the emergency department with nausea and abdominal pain.

On physical examination, he has dry mucous membranes and reduced skin turgor.

Vital signs are: heart rate 110 bpm, respiratory rate 24/min, blood pressure 80/60 mmHg, temperature 38’C, and oxygen saturations 99% on room air.

Urine dipstick shows 3+ ketones. Blood show a sodium of 150 mmol/L, potassium of 5.8 mmol/L, bicarbonate of 17 mmol/L, and chloride of 101 mmol/L.

Given the most likely diagnosis, which of the following is the most appropriate first step in the management?

A

500ml bolus intravenous 0.9% sodium chloride stat

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