A 72-year old hypertensive woman on nifedipine had an intracapsular fracture of the right femoral neck, following a fall. She did not give any history of food or drug allergies, or of any atopic diseases such as asthma or eczema. Her blood pressure was 150/90 mmHg.Preoperative echocardiography revealed an ejection fraction of 50%, and her chest xray and ECG were normal. Her blood urea (8.3 mmol/L), haemoglobin (11g/dL), fasting blood glucose (6.4 mmol/L) and serum electrolytes (Na 138 mmol/L, K 4.2 mmol/L) were within normal limits.
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