6 doctors weighed in:

When tumors secrete high levels of vasopressin, what happens to plasma osmolarity, urine osmolarity and urine volume ?

6 doctors weighed in
Dr. Samer Nakhle
Internal Medicine - Endocrinology
3 doctors agree

In brief: SIADH

Plasma osmolarity will decrease, urine osmolarity will increase, and urine volume will decrease.

In brief: SIADH

Plasma osmolarity will decrease, urine osmolarity will increase, and urine volume will decrease.
Dr. Samer Nakhle
Dr. Samer Nakhle
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Dr. Ed Friedlander
Pathology
2 doctors agree

In brief: Tricky concept

ADH / vasopressin makes the body reabsorb water. However, the atrial natriuretic peptide then kicks in and rids the body of that water by forcing excretion of sodium in the urine.
Low plasma sodium / lowish osmolarity; urine sodium will be inappropriately high.

In brief: Tricky concept

ADH / vasopressin makes the body reabsorb water. However, the atrial natriuretic peptide then kicks in and rids the body of that water by forcing excretion of sodium in the urine.
Low plasma sodium / lowish osmolarity; urine sodium will be inappropriately high.
Dr. Ed Friedlander
Dr. Ed Friedlander
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