الفهرس 
INTRODUCTION AND AIM OF THE WORKOnly 14 pages are availabe for public view
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Abstract
INTRODUCTION
Although a cr~ic ~egurgitation easily re-::ognized
most patients.,. an acc:1rate assessment of le£t ve?’lt=icular
fuDction in patier.ts ·-.~ith tf’.is condition may be difficu:!.t.
Prev:ous st•..1dies demons-::!::ated tbat some patients ”With ao~tic
regu~gitation have a p~’2tected asymptomatic cl!.r:i·=al cou!:se,
despite: ::uarked ~emodyr.amic derangement. Thus :.rnpai~ed left
vent:!:icular performance may develop in patie:1ts IJith severe
aortic
!’ail’-lre.
regurgitation before symptoms of conges’tive heart
C:i as t .,: lie ::.e£1:
’w’ere ~:::-:=viously assessed usL’1g dig:.”:S..zed M-mode echocardiogan;
oiography ar.d techniques. The:::e is
;e~e:al agreemer.t that abncrma:.it:es o£ both systolic and
d~as:.cli:: :fu.n~ti’:l:; may occur in patier:t:s wit:h ::n:c:::c aortic
:::egu:rgitation and that a bn o rm alit i e s of diastolic £r.2nction
may p:reced systolic .._,.entricular dysfunctior ..