Wednesday Lecture Flashcards
Outline the differences between sensible and insensible water loss
In which of these is only water lost?
Give approxamate volumes for each type of loss
Define osmolality
What is the normal osmolality of Blood plasma?
Define Tonicity
Define Water Overload
What is the effect upon the EFC and IFC by secretory diahorrea
Give an overview of hyperosmotic dehydration
What are ORS?
It involves drinking water with modest amounts of sugar and salts, specifically sodium and potassium.
What is Hypovolemia?
When the circulatory space is too large relative to the fluid that’s available.
The lack of volume affects the ability of the body to adequately perfuse (fill) the tissues with blood, oxygen, and nutrients.
Inadequate perfusion is a condition known as shock.
What are the main symptoms of Hypovolemia?
Vasoconstriction: As blood volume decreases, the body begins to compensate for the lack of volume by constricting blood vessels.
This shunts blood away from the most distal parts of the body (which is usually the skin) and results in loss of color and noticeable warmth T
The body responds by
Sweating (stress response to the loss of perfusion)
Lightheadedness (as loss of perfusion affects the brain)
Confusion
Fatigue
Postural Hypotension
