SAQ 855 – Mental Health – anorexia nervosa with metabolic alkalosis and hypokalaemia

Marked out of 18.00

A 16-year-old girl presents to the ED with her parents because they are worried about her progressive weight loss. She has a diagnosis of anorexia nervosa and has a BMI of 15.

Her initial blood gas and electrolytes are shown below. An ECG is provided with this question.

Result Value
pH 7.53
pCO2 51 mmHg
Na 131 mmol/L
K 2.2 mmol/L
Cl 75 mmol/L
Base excess 25.3 mmol/L
HCO3 48 mmol/L
ECG with changes consistent with severe hypokalaemia.
ECG for SAQ 855.

List nine significant complications of anorexia nervosa.

(Marked out of 9.0)


/ 9

List three significant abnormalities shown in the blood gas and electrolyte results.

(Marked out of 3.0)


/ 3

State likely causes for these abnormalities.

(Marked out of 2.0)


/ 2

List three significant ECG findings.

(Marked out of 3.0)


/ 3

State one important arrhythmia risk.

(Marked out of 1.0)


/ 1

Total Score: 0 / 18

Percentage: 0%