Baxter is communicating important safety information regarding the potential for AK 98 hemodialysis devices to generate excessive Ultrafiltration (UF) in certain situations where treatment-related alarms occur, or where there is an ultrafilter leak. Excessive UF may present hazards for sensitive patients, such as low-weight patients, for whom target UF values of zero or very low volumes are desired. Recall start date: August 29, 2018