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{"ops":[{"insert":{"image":"\/storage\/case-images\/cs\/S10_F2.jpg"}},{"insert":"\n\n"},{"insert":"Michael Chen is a 60 year-old Chinese immigrant. \r\n\r\nA frequent visitor to your office, he developed so-called \u0022chronic nephritis\u0022 when he was young, and subsequently ended up with end-stage renal disease, which has required hemodialysis for the last 3 years.\n\nCurrently, he undergoes hemodialysis thrice a week, with each cycle lasting 4 hours.\r\n\r\nDuring the last cycle, his serum creatinine before and after dialysis was 830 \u00b5mol\/L (9.4 mg\/dL) and 445 \u00b5mol\/L (5.0 mg\/dL) respectively.\n\nHe was also mildly anemic with an Hb of 10.5 g\/dL, which is being treated with 36000 IUS of recombinant erythropoietin (rhEPO) per week.\n\nAccording to his medical records, he also has a longstanding history of hypertension and obstructive sleep apnea. \r\n\r\nHe has not undergone any surgeries, or been transfused with blood in the past.\n"}]}