Protect your patient from dialysis hypotension
Rick Jepson RN

November 2009 
Volume 39  Number 11
Pages 55 - 56
  PDF Version Available!


BASED ON CONCENTRATION gradients across a semipermeable membrane, hemodialysis replaces two of the major functions of failing kidneys: removing excess fluid from the body and cleaning the blood by removing excess electrolytes and metabolic waste. If, for example, the concentration of a small molecular weight solute such as creatinine is higher on one side of the membrane than on the other, the solute will diffuse across the membrane from an area of higher concentration to an area of lower concentration. Similarly, if fluid pressure is higher on one side of the membrane than on the other, fluid will flow across the membrane from an area ...

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