describe the paired plasma and urine osmolality of DI
concentrated blood + dilute urine
describe the paired plasma and urine osmolality of SIADH
Concentrated urine + dilute blood
describe the paired plasma and urine osmolality of psychogenic polydipsia
both dilute
describe normal values for paired plasma and urine osmolality
serum 280-300
urine 100-900
which condition corrects with synthetic ADH / DDAVP?
cranial DI
which medications are known to cause SIADH?
Anti-psychotics
Anti-epileptics
Anti-depressants
Thiazides
which discrepancy corrects with DDAVP?
Cranial DI
what would the paired plasma + urine osmolality look like in DI?
dilute urine and concentrated blood
what would the paired plasma + urine osmolality look like in SIADH?
concentrated urine + dilute blood
what would the paired plasma + urine osmolality look like in polydipsia?
both dilute
what are the normal values for what would the paired plasma + urine osmolality?
serum <30
urine <900
