SAQ 1354 – Elderly patient with diarrhoea and venous blood gas

Marked out of 10.00

An 89-year-old woman presents with generalised weakness, nausea and diarrhoea. She fell 3 days earlier, sustained a humeral fracture and was discharged for outpatient orthopaedic follow-up. She appears dehydrated, with BP 140/80 mmHg, pulse 80 regular and she is afebrile. Her venous blood gas is shown.

Venous blood gas results
Venous blood gas results.

Interpret the blood gas results and state the likely causes of her acidosis.

(Marked out of 5.0)


/ 5

List five further investigations you feel are indicated and justify each.

(Marked out of 5.0)


/ 5

Total Score: 0 / 10

Percentage: 0%