24. Pathophysiology of dry weight At the initiation of each HD session: the patient is saline overloaded, or "wet." He needs to lose the weight gained during the interdialytic period to return to the last postdialysis weight. Wt : 62 kg Wt 58 kg
27. Pathophysiology of dry weight The water and salt subtraction from the plasma volume creates a disequilibrium situation between the plasma and interstitial spaces. Water & salt removal from plasma/ intravascular space
28. Pathophysiology of dry weight Refilling from interstitial (and intracellular) spaces has started but is not yet completed (it takes about 4 hours).