Ilemodynamic Measurements and Dynamics
of
Assisted Circulation
223
200
I60
h
Q
8
.g
120
e!
P
k
80
0
'"''"~'
7
40-
wider cuff than optimum provide accurate recording only at the center
of
the cuff and can cause error in detection as stress declines away from the
center, giving a lower estimation
of
pressure.
-
10
.-
8
--
6
-
'.
4
2
--2
2
-.
-2
%
-4
i2
4
-0
::
3
M
if6
-8
-10
Pressure
mm
Hg
Inflation
bulb
Sphyamomanometer
cuff
Fig.
8.1.5:
Illustration
of
the auscultatory method
for
recording blood pressure.
From
Rushmer
(1972).
Fig.
8.1.6:
Korotkoff
vascular sounds recorded in
a
brachial artery.
