05-18-2010, 11:46 PM
IN DEHYDRATION WAT HAPPENS TO RPF ,GFR , FF ?
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renal qqqqqqqqqqqq - labetolol
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05-19-2010, 12:24 AM
all decrease.... as Renal blood flow decreases...
05-19-2010, 12:35 AM
RPF reduces
GFR also reduces but not as much as the renal plasma flow FF = GFR/RPF. As GFR suffers lesser decrease so FF will increase
05-19-2010, 12:42 AM
wait a second...
the chronology will be... dehydration----> blood flow decrease -----> RENIN will be secreated ---->> constriction of EFFERENT arterioles so RPF decrease ... GFR INCREASE and FF Increase .. OH... I am so impulsive at times...
05-19-2010, 12:43 AM
YESSSSSSSSS SAMMMMMMMMY IS RITE
hi sammmy i dont see ur Q now , did u give ur step //
05-19-2010, 02:41 AM
Hi Labetolol. Haven't taken step1 yet but its just around the corner. I don't get to use the forum as much as I used to. Will be back to you guys after my exam
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