Ultrasound Machine operation guide for novice Sonographer

Many medical imaging system or clinical medicine students may be confused when they choice to be a Sonographer and work in ultrasound scanning department of hospital. Because they are confused with these problems : how to find the organ , how to scan a standard tangent , how to make a fully scan to the organ and how to know the picture direction etc. problems . And it is the problems for all novice Sonographer.

 

Ultrasound probe and picture direction

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Ultrasound probe got different type but most common ultrasound probe are: convex probe, linear probe, phased array probe and interactivity probe etc…

Method One:

There is one mark on one side of ultrasound probe (see heart-shaped in above picture), the direction that mark points to is at the left of diagnostic picture (it is only for the first picture that no any parametric changes)

 

Method two

There is one mark on one side of ultrasound machine probe (see heart-shaped in above picture), the direction that mark points to is at the above of diagnostic picture (see heart-shaped in below picture, the mark will be different with different ultrasound machines).

 

Attention:

The mark direction of ultrasound scanner probe normally at above or at right of diagnostic picture when make a standard tangent. But it apart from special tangent such as left kidney ,splenic organ etc.

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Scanning method (How to make a fully scanning)

It is wrong that many novice Sonographer make a fixed point and a tangent scanning after they see an organ shows up.

The Correct method one

make alternate ultrasound scanning with Longitudinal section ,cross section ,oblique section .

 

The Correct Method two

Make a fixed sector scanning.

 

The Correct Method Three

Find out the focus then make a fixed rotate scan and look into the focus form and ultrasound echo pattern etc.

 

The Correct Method Four

Make a ultrasound scanning from top to bottom, such as cross scanning thyroid gland you need to scan from bottom to above.

 

Get to know the standard tangent and anatomical structure

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It is a basic knowledge that know the standard tangent and anatomical structure. So every novice Sonographer must familiar the standard tangent and the scanning method for each organ, such as the liver standard tangent (see above picture): make an oblique scanning below the costal bone, put the ultrasound machine probe at the point which abdominal muscle connect costal arch and line with the navel, side the ultrasound probe ensure the imaging planes right at the twin tube construction of hepatic portal (see above picture)

 

You need to know every organ normal ultrasound diagnostic picture, otherwise you don’t know what that is!

Get to know the normal size, Doppler waveform and the normal reference value for every organ.

 

Incident angle when blood sampling

ultrasound incident angle is more small will more good when making Ultrasound Doppler sampling. Normally the patient position will affect this so the incident angle needs to be less than 60° .

 

That all we can say about how to using ultrasound machines now, hope this ultrasound scanner operation guy will be helpful for novice Sonographer. Please leave your comment if there some deficiency we will make it right in time .Thank you!

 

 

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