A 78 year old woman with a history of hypertension underwent elective hip arthroprosthesis. Three days later, the patient accidentally fell resulting in luxation of the arthroprosthesis, which was reduced under spinal anaesthesia. Severe hypotension occurred soon after. A chest x ray showed massive left pleural effusion and blood tests documented anaemia that required transfusion. ECG showed new onset atrial fibrillation with a mean ventricular rate of 110 beats/min …