This process is especially noticeable in elderly patients, diabetic patients, and patients with kidney failure who are unable to adequately compensate (i.e., through increased renin production) to maintain normal potassium values, with 45% of patients receiving heparin and 71% of patients receiving LMWH in the population considered as geriatric [15,16,17,22,26,27,29,31,33,35,36,37,38,39,41,42,43,46]. The gene discussed is REN; the disease is kidney failure.