echosens FibroScan 502 touch - Shear Wave Propagation Map; Counters: Valid and Invalid Measurements

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FibroScar

1

FIBROSCAN

502

TOUCH

USER

MANUAL

[BIS

6.6.4.

Shear

wave

propagation

map

This

image

is

displayed once

the

measurement

is

complete.

It

represents

the

levels

of

liver

deformation

generated

by

the

propagation

of

the

shear

wave

as

a

function

of

time

(horizontal

axis

in

milliseconds)

and

depth

(vertical

axis

in

millimeters).

The

shear

wave

speed

value

is

displayed

if

the

measurement

is

valid.

The

color

scale

indicates

deformations

(compression

or

expansion).

Black

areas

correspond

to

negative

deformation

and

pale

areas

to

positive

deformation.

The

black

strip

through

the

image

represents

deformations

associated

with

the

passage

of

the

shear

wave, which

penetrates

progressively

deeper

with

time.

6.6.5.

Counters:

Valid

and

invalid

measurements

Valid

measurements

From

top

to

bottom:

First

to

last

measurement

in

kPa.

When

the

number

of

valid

measurements

is

egual

to

1,

the

IOR

and

the

IOR/

median

ratio

are

undefined.

They

are

therefore

not

displayed.

E300M017.4

03/2017

-

ECHOSENSTM

AND

FIBROSCAN®

ARE

TRADEMARKS

O

COPYRIGHT

ECHOSENS

-

ALL

RIGHTS

RESERVED

35

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