Turning complexity into clarity: polyuria and hypernatremia

Abstract

Case Report GJUN (2019) 2:14 Turning complexity into clarity: polyuria and hypernatremia The patient is 65-year old African American male with history of hypertension. He was admitted to hospital with lethargy, disorientation, and confusion. His clinical evaluation and CT of the head revealed subarachnoid hemorrhage. He had h/o stroke 5 years ago. The patient didn't have fever, but did have a diarrhea of 1-day duration. He is receiving parenteral feeding and his urine output is 4L/day. His physical examination revealed blood pressure of 100/70mmHg, with heart rate of 100 BPM. He has dry mucous membranes and the rest of examination was unremarkable. His laboratory investigation showed sodium 159meg/L, K+ 4.6meg/L, chloride 114mEq/L, HCO3 26mEq/L, creatinine 1.9mg/L, Blood urea nitrogen 64mg/L, and glucose 200mg/L His urine sodium 70mEq/L, and urine osmolality 380mOsm/Kg H2O. His volume status is slightly dry, and he weighs 70Kg.