× Intraoperative hypotension - a neglected causative factor in hospital-acquired acute kidney injury; a Mayo Clinic Health System experience revisited

× Comment on; post-transcatheter aortic valve replacement acute kidney injury; prevention rather than cure

× Severe symptomatic acute hyponatremia in traumatic brain injury responded very rapidly to a single 15 mg dose of oral tolvaptan; a Mayo Clinic Health System hospital experience – need for caution with tolvaptan in younger patients with preserved renal function

× A curious case of persistently relapsing hyperkalemia in an ESRD patient on maintenance hemodialysis following bioprosthetic aortic valve replacement – a potential case for the use of the new agent, patiromer, for hyperkalemia management

× Sequential cerebral salt wasting complicating SIADH in a patient following head trauma

× Spleno-renal anastomotic bypass revascularization for worsening renal failure and uncontrolled hypertension in bilateral calcific atherosclerotic renal artery stenosis

× Persistence of coronavirus disease 2019 (COVID-19) in patients with end-stage renal disease; an unrecognized phenomenon?