Moslem Doctor
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there is hyponatremia due to increased body water
in same time no hypertenstion becuz there is no significant increase or decrease in body fluid volume!
it was explanation in physio Q bank
Question number 27
can any one help? !
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| study_ing
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SIADH
For this first understand a few basic things about water and sodium
Remember to differentiate between CONTENT and CONCENTRATION.
Thus concentration is a ratio…Na per volume of water
So we can have THREE conditions causing hyponatremia
LOOK AT THE CONTENT. Hyponatremia can result from
INCREASED body water
NORMAL body water
DECREASED body water ..CONTENT.
The relative Content of Sodium will Determine CONCENTRATION
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| study_ing
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keeping Content and concentration in mind we can have hyponatremia with
Excess total body sodium and an even greater excess of total body water. (CHF, cirrhosis, renal failure)
Normal body sodium, but an excess total body water. (SIADH)
Deficit of total body sodium exceeds the deficit of total body water.
(Diuretics, Mineralocorticoid deficiency)
TRY to figure out the relation with HTN. if its too confusing dont worry. (i'll post it) IF u keep forgetting this stuff ur normal..took me ages to figure out
Edited by study_ing on 06/04/06 - 06:21 PM
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| mildus
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nice understanding of concepts, study_ing
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| Moslem Doctor
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thank u studying
but i had no proplem with why there is hyponatremia
there is hyponatremia becuz there is excess water and sodium itself normal (u also agree)
but no hypertention becuz no significat increase in water!
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Say ye: "We believe in Allah, and the revelation given to us, and to Abraham, Isma'il, Isaac, Jacob, and the Tribes, and that given to Moses and Jesus, and that given to (all) prophets from their Lord: We make no difference between one and another of them: And we bow to Allah (in Islam)." Holy Quran
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| study_ing
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great moslem doctor
and thanx mildus
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