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ADH (vasopressin) & Oxytocin: Both are produced in hypothalamus and stored in the posterior pituitary gland. ...Read more
When tumors secrete high levels of vasopressin, what happens to plasma osmolarity, urine osmolarity and urine volume ?
Low sodium: ADH (vasopressin) is anti-diuretic hormone which causes your body to retain free water. When you have too much of it, your body retains too much free water and "dilutes" out the sodium content in your blood which will cause the level to drop. Low sodium in the blood can be very detrimental to your health. ...Read moreSee 1 more doctor answer
As a protein: Dissolved in the blood.Get a more detailed answer ›
Saline intake aldo: Well depends on how much saline you are intaking. If you mean infusion IV or a very large salt meal aldo will go down within minutes unless you have a problem like an adrenal adenoma making too much aldo (and HTN). or a renal artery stenosis causing HBP. I can think of no reason it would go up unless the before and after saline infusion bloods were mixed up. ...Read more
A deficiency in the release of vasopressin (antidiuretic hormone) by the posterior pituitary gland. Why?
Possibly infarction: Possibly a tumor or something else. Lack of blood supply to the pituitary gland or a pituitary tumor may change the secretions of adh (vasopressin). However, there are other causes also, such as pregnancy that can cause this area to be infarcted (loss of blood supply). ...Read more
Multitudinous: I think you mean hypotension (drop in blood pressure), since spinal anesthesia paralyses the nerves maintaining blood pressure, and so, naturally, it drops. By implication, these drugs "squeeze" blood vessels, to raise resistance, and therefore increase pressure. Commonly used drugs might be ephedrine, (ephedrine sulfate) or phenylephrine. In more extreme cases, epinephrine or norepinephrine might be used. ...Read more