BONENT Continuing Dialysis Education (CDC) Practice Exam

Hemolysis during dialysis can occur due to various factors, and improper dialysate preparation is a significant contributor. When dialysate is not prepared correctly, it can lead to an imbalance in the concentration of electrolytes, pH, or temperature. Such imbalances can stress red blood cells as they pass through the dialyzer, leading to rupture and hemolysis. Inadequate concentration of components in the dialysate, such as an overly high concentration of potassium or an incorrect pH, can create an osmotic gradient that results in cellular damage. For instance, if the dialysate is too hypotonic, it can cause water to rush into the red blood cells, leading them to swell and potentially burst. Thus, the quality and preparation of dialysate are critical in preventing hemolysis during the dialysis process.