Malignant Hyperthermia Susceptibility and Renal Stone Surgery

You are the anaesthetist in a regional hospital assigned to the morning emergency list. Your next patient is a 45-year-old man admitted the previous evening with haematuria and flank pain from a renal stone. He is booked for cystoscopy, laser litholapaxy and JJ stent insertion. Past Medical History: Hypertension Type 2 diabetes mellitus Ryanodine receptor mutation Medications: Metformin 500 mg BD Ramipril 5 mg mane CT Abdomen and Pelvis report conclusion: The appearance of the left kidney is in keeping with obstructive uropathy and superimposed pyelonephritis.