SONOTRAX(2009) Series Ultrasonic Pocket Doppler User Manual
56
with low frequency has a deeper penetration depth,
while the probe with high frequency has better
resolution and wider detecting range. The 4 MHz
vascular probe is optimized for examining blood
vessels; the 5 MHz vascular probe is optimized for
examining deeper vessels, and the 8 MHz vascular
probe is optimized for examining surface vessels.
Apply a liberal amount of gel on the site to be
examined. Place the probe at a 45º angle on the skin
over the vessel to be examined. Adjust the position of
the probe to obtain the loudest blood flow sound.
Refer to figure 4-8 for the probe sites:
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