-
Vena contracta is the
point in a
fluid stream where the
diameter of the
stream is the least, and the
fluid velocity is at its maximum, such as in the case...
- the **** the flow
reaches its
point of
maximum convergence, the
vena contracta (see
drawing to the right)
where the
velocity reaches its
maximum and...
-
theoretical and the
observed outflow behavior to the
formation of a
vena contracta which reduces the
outflow cross-section from the ****'s cross-section...
-
pressure half time
TAPSE –
tricuspid annular plane systolic excursion VC –
vena contracta EDD – end
diastolic diameter ESD – end
systolic diameter IVSd – interventricular...
-
valves typically regain most of
static pressure drop from the
inlet to
vena contracta at the outlet. They are
characterised by a
lower recovery coefficient...
- of
liquid through a
valve the flow
velocity must be
greatest at the
vena contracta or the
point where the
cross sectional area is the smallest. This increase...
- (Berlin, 1897)
Geometric median Logarithmic spiral Torricellian chamber Vena contracta Gasparo Berti Stefano degli Angeli "Torricelli, Evangelista". Lexico...
-
width > 65 % of the left
ventricular outflow tract diameter Doppler vena contracta width > 0.6 cm The
pressure half-time of the
regurgitant jet is < 200...
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Severe Jet
width of left
ventricular outflow tract <25% 25–65% >65%
Vena contracta width, cm <0.3 0.3–0.6 0.6
Regurgitant volume, mL per beat <30 30–49...
-
between cross section 1,
before the contraction, and
cross section 3, the
vena contracta at
which the main flow is
contracted most. But
there are substantial...
