3D How To: Tibia Exam

2 - [Voiceover] A linear array transducer XY

- [Voiceover] A linear array transducer XY

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4 with a musculoskeletal exam
with a musculoskeletal exam 5 type is used to perform

type is used to perform

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7 an ultrasound examination of the tibia,

an ultrasound examination of the tibia.

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9 The patient is in a supine position,

The patient is in a supine position.

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11 The transducer is placed longitudinally

The transducer is placed longitudinally

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13 over the lateral joint line
over the lateral joint line 14 with the orientation marker

with the orientation marker

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16 directed to the patient's head,

directed to the patient's head.

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18 The bright hyperechoic distal femur

The bright hyperechoic distal femur

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20 and proximal tibia are identified,

and proximal tibia are identified.

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22 The transducer should be slowly
The transducer should be slowly 23 translated down the tibia

translated down the tibia

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25 to the medial malleolus,

to the medial malleolus.

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27 The cortical surface of
The cortical surface of 28 the tibia is a smooth,

the tibia is a smooth,

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30 uninterrupted hyperechoic line
uninterrupted hyperechoic line 31 without stepoff deformities,

without stepoff deformities.

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33 The longitudinal scan should
The longitudinal scan should 34 be repeated in the midline

be repeated in the midline

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36 and on the anterior surface of the tibia,

and on the anterior surface of the tibia.

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38 The transducer should
The transducer should 39 then be rotated 90 degrees

then be rotated 90 degrees

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41 counterclockwise for a short axis scan

counterclockwise for a short axis scan

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43 which begins at the knee joint
which begins at the knee joint 44 and ends at the distal tibia,

and ends at the distal tibia.

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46 The cross section of the
The cross section of the 47 tibia appears as a bright

tibia appears as a bright

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49 hyperechoic triangular shaped structure,

hyperechoic triangular shaped structure,

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51 which gradually tapers in the distal bone,

which gradually tapers in the distal bone.

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