Thursday, October 1, 2009

Reminder: Low Volume vs. Low Osmolality

When the kidney is faced with low intravascular volume and low serum osmolality, low volume wins, ADH is released.

The kidney plays a key role in regulating intravascular fluid volume and osmolality. When volume is low, water is preserved and ADH is released. When osmolality is low, ADH is not released. However if volume AND osmolality is low, volume is considered more important and ADH is released.

No comments: