mani
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budd chiari is post-hepatic or hepatic venous thrombosis and arnold chiari is cerebellar tosillar herniation thru foramen magnum
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| dariush
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Budd-chiari: thrombus :^o formation of the Hepatic veins` out flow to the IVC. causing hepatosplenomegaly and portal HT.
Arnold-chiari malformation (Arnold II) : too small post fossa of the skull, cerebellum with vermis slip down the for. magnum, Hydrocephalus w/ myelomenangiocele
Danny-Walker: too large post fossa and absent or rudiment. verimis; usu. w/ brain stem nuc. Dysplasia
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| mani
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dariush, u r rite just to remind that its "thrombus" not "embolus" in hepatic veins in budd chiari
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| namf
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WOW! Good job dariush and mani! That was the quickest reply I've ever seen...if it helps, I think of the liver related to Budd (Budweiser beer) and it helps me not to get confused.
There are so many similar things in med
H.flu vs flu virus
German measles vs. measles
Berger's and Berguers (sp??)
Pagets of breast, bone, and vagina (?)
Mycoplasma pneumoniae and TB mycoplasma
Anybody want to differentiate or chime in--go for it! 
P.S. You guys are #1 and this is the best site!!!!!!!!!!!!!!!!!!!!!!!!!!
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| dariush
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oh yeah thanx mani, i changed it to "Thrombus" :oops:
thanx Namf for the warmth 
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| hiwa
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so what is the difference between rennin and renin
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| namf
Forum Elite
Topics: 80
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rennin and renin???
Not sure. I have a q for u, tho (like my pre-usmle tuesday abbrevs?):
If a hypertensive patient w/ a mostly-obstructed left renal artery presents, what would be the most likely response to treatment?
1)Use a loop. Decreased renin activity and decreased serum angiotensin I concentration.
2)Use an ACEI. Decreased renin activity following.
3)Use a loop. Increased plasma renin activity and decreased serum angiotensin I concentrations.
4)Use an ACEI.Increased plasma renin activity.
I'll give my opinion,
so don't look below
if you're still
thinking:
I think B. But it's not true that you get decreased renin activity, right? I mean, first angiotensin is converted to angiotensin I *AI)by renin, and then only does ACE do its work of converting AI to AII....Am I missing something?? Thanks for the help!
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| hiwa
Forum Senior
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U absolutely right , in renal artery stenosis there is over activation on
R-Ang-Ald system as compenasatory mechanism to maintain mainly Glomerular(not renal) blood flow, I choose 2 before looking at ur answer lol
rennin is gastric enzyme u find it temporarily in newborn take part in digestion of chyme
( i think similar to trypsin in adult, but not sure)
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| hiwa
Forum Senior
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Posts: 185
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Q some people say ACEI is contraindicated in renal artery stenosis what do uthink
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| mani
Forum Guru
Topics: 104
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rite, ACEI are containdicated in renal artery stenosis, can precipitate renal failure. a diuretic is usually given i n this case
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| dariush
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i think one point is missing ACE-I is an absolute Contraind. in BILATERAL renal a. Shut Not Unilateral. and i totally agree with Mani in that it can predispose to ARF in that case.
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