mdwannabe
Forum Guru
Topics: 37
Posts: 1,133
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water deprivation test.
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| crista
Forum Guru
Topics: 121
Posts: 408
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what does it happen?
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| oddissy4u
Forum Guru
Topics: 107
Posts: 389
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explain 2 terms n wth few differences ! is any one of them synonymous wth nephrogenic or neurogenic?
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| crista
Forum Guru
Topics: 121
Posts: 408
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they are not synonymous for sure
the diffecence...?
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| Idiopathic
Forum Guru
Topics: 19
Posts: 641
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Polydipsics due to a condition (i.e. diabetes) will show polyuria regardless, whereas psychogenic polydipsics, will begin to concentrate their urine when deprived.
(i think)
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| crista
Forum Guru
Topics: 121
Posts: 408
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psychogenic -sure concentrates urine by deprivation
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| mdwannabe
Forum Guru
Topics: 37
Posts: 1,133
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absolutely right
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"Life not lived for others, is not worth living" Uncle Einstein
"A life is not important, except in the impact it has on other lives" -Jackie Robinson
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| Malaysian
Forum Guru
Topics: 28
Posts: 778
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In Primary Polydipsia there has been too much of intake of water leading to a fall in osmolarity....low ADH so the excess water is not reabsorbed in the distal tubule/collecting tubule hence a hypoosmolarity urine.
In Psychogenic Polydipsia there is water intoxication and there is usually a constant volume is excreted in relation to the sodium.....therefore the urine osmolarity is higher....but ADH levels remain low(opposite to SIADH).Psychogenic polydipsia usually also present with a psychiatris history or a drug in take and have symptoms of psychosis.
Water deprivation is used in diagnosis of Diabetes Insipidus.....can it differentitate the above 2 simply because DI is a type of Psychogenic Polydipsia?
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| Renegade
Forum Elite
Topics: 18
Posts: 171
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primary polydipsia - Pt really needs water. He'll get up int he middle of the night to drink it.
psychogenic polydispsia - Pt thinks he needs water. He'll sleep through the night without thirst.
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