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The Movement of Fluid/Fluid Balance

Posted by All Info Friday, January 28, 2011

Body fluids normally travels between the two compartments or the main room in an effort to maintain fluid balance value. The loss of intra-cellular fluid (CES) into a space that does not affect the balance between intra-cellular fluid with extra cellular (CIS) and (CES) is called the third space fluid shifts. The effect of third space fluid shifts that is characterized by dizziness, increased frequency of the heart, decreased blood pressure, decrease in intra central pressure (TIS), edema, weight gain, and imbalances in the input and output of fluid.

Normal fluid movement through capillary walls into the tissue depends on the increase in hydrostatic pressure (pressure generated by fluid in the blood vessel wall) on both ends of the arteries and veins.

Osmotic pressure generated by liquid plasma.
Direction of fluid movement depends on the difference of these two opposite directions (hydrostatic pressure of osmotic). In addition to CES electrolyte also transports other substances, such as enzymes and hormones. CES also brings blood components like red cells and white blood cells throughout the body.

Osmosis and osmolarity.
Displacement of water occurs via membrane from areas with low solute concentration to regions with high solute concentration until both concentrations are equal.

-                      Diffusion
Is the natural tendency of a substance to move from an area with a higher concentration to low concentration area. Diffusion occurs through irregular movement of ions and molecules.

- Filtration
Hydrostatic pressure in the capillaries tend to filter the discharge from vascular compartments into the intra-cellular fluid.

- Sodium-potassium pump
Greater sodium concentration in the CES in the appeal in the CIS and therefore there is a tendency of sodium to enter cells by diffusion. It is also balanced by the sodium-potassium pump located on the cell membrane and move the active cell sodium of the cell into the CES. Conversely intracellular potassium concentration which occurs maintained by pumping potassium into cells.

Route revenue and loss
Water and electrolyte obtained in various ways. In a healthy state, a liquid obtained by drinking and eating. But in many kinds of diseases may be given fluids through the parenteral or enteral nutrition through a tube in the stomach or intestines. If fluid balance is critical, all the way meeting and all the way to lose should be recorded and the volume comparison. Organs seem to lose fluids, including kidneys, skin, lung and gastrointestinal.




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