Acute Kidney Injury is a rapid decline of renal function with a reduction in glomerular filtration rate leading to retention of nitrogenous waste. AKI often occurs within 48h of an insult, but may also occur over a longer period of time (up to 7 days). If persistent and prolonged (>3 months duration) the patient is considered to have chronic kidney disease (CKD). AKI can be broadly classified as community acquired (toxins, leptospirosis etc) and hospital acquired (anesthesia, nosocomial infection, hypotension etc). Based on pathophysiology AKI can be categorized as prerenal, intrinsic and postrenal. Acute renal failure is the most severe form of AKI, whereby dysregulation of renal function and the buildup of metabolic toxins occur, fluid regulation fails and acid base disturbances are recorded.
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Søren obtained his DVM from the University of Saskatchewan, completed a small animal internship at the Atlantic Veterinary College, and a residency at Tufts University, becoming a diplomate of the American College of Veterinary Emergency and Critical Care in 2003. He is the former Chief of Small Animal Emergency and Critical Care at the University of Montreal and currently a Full Professor of at the University of Calgary. Through active service on several veterinary committees, and collaborations through research, book chapters and journal publications he continues to promote veterinary ECC and point-of-care ultrasound around the world. Along with point-of-care ultrasound, his research interests include hemorrhage, coagulation, and perfusion.