1,000 grams; 2.2 pounds.

The Kt/V concept was introduced by Gotch and Sargent to quantitate dialysis dose and represents the product of urea clearance (K) and dialysis time (t) divided by the volume of distribution of urea or total body water (V)3. Kt/V is different in hemodialysis (HD) compared to peritoneal dialysis (PD). In HD, Kt/V relates to a single dialysis session, whereas in PD Kt/V relates to an entire week.

In vivo ultrafiltration constant. The fixed amount of fluid a dialyzer will remove from the patient’s blood per hour at a specified pressure. A dialyzer’s KUF is included with its instructions.