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Introduction to Sonography > Chapter 2: Knobology > Flashcards

Chapter 2: Knobology Flashcards

1
Q

What are the keyboard controls?

A

Annotation On/Off or Comments On/Off, Erase/Clear/Clear Screen, Backspace, and New Patient Key/End Current Patient.

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2
Q

What does the Annotation On/Off or Comments On/Off button do?

A

Allows for annotations or comments to be entered on screen. Many systems have a preprogrammed library of annotations.

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3
Q

What does the Erase/Clear/Clear Screen button do?

A

This lets you erase all user-entered annotations from the cursor location.

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4
Q

What does the backspace button do?

A

This lets you erase the last character to the left of the cursor.

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5
Q

What does the new patient key/end current patient button do?

A

This allows you to either enter new patient information or to clear the current patients ID, graphics, stored images, and comments.

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6
Q

What is the “Worklist”?

A

This is an electronically driven program that allows you to see the history of procedures and help maintain quality control.

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7
Q

What is the patient information page?

A

This is where patient demographics are stored along with medical information. For sonographers, if you do a procedure, this is where you would initial what you’ve done.

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8
Q

What does the Primary Imaging Controls do?

A

This allows you to directly control the image quality.

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9
Q

What are the primary imaging controls?

A

Transducer/Probe button, Imaging Preset/Model, Frequency, Depth, Time-Gain Compensation (TCG), TCG Curve, Focal Zone Position and Focal Number, Dual Image and/or Left/Right Key, Image Direction, Freeze Key, Cine Loop, Print/Store Key, and Trackball.

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10
Q

What does the Transducer/Probe button do?

A

This lets you to select the different transducers/probes you can use.

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11
Q

What does the Imaging Preset/Model button do?

A

This lets you to select an appropriate preset image as a starting point from which the examination will be preformed.

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12
Q

What does the Frequency button do?

A

You select an imaging frequency based on the patient’s anatomy and examination type. High frequencies are for superficial structures and low frequencies are for deeper structures.

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13
Q

What does the Depth button do?

A

This lets you adjust the image size.

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14
Q

What does the Time-Gain Compensation (TCG) button do?

A

This makes the returning echos from deep in the body be amplified so information on deeper structures can be received.

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15
Q

What does the TCG Curve button do?

A

This displays the TCG information located vertically on the right side of the ultrasound screen.

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16
Q

What does the Focal Zone Position and Focal Number do?

A

This adds or removes additional focal zones.

17
Q

What does the Dual Image and/or Left/Right Key do?

A

This can display images side by side where image measurements can be compared.

18
Q

What does the Image Direction button do?

A

This reverses the scan direction from either right/left direction or up/down direction.

19
Q

What does the Freeze Key do?

A

This lets you to freeze and suspend real-time images.

20
Q

What does the Cine Loop button do?

A

This lets you store recently scanned images into the system memory before the freeze key is depressed.

21
Q

What does the Print/Store button do?

A

This lets you to activate the program storage device to store the frozen image.

22
Q

What does the Trackball button do?

A

Guides the cursor onto the screen, position measurements during freeze mode, and change the scan area.

23
Q

What are the Additional Controls?

A

Body Pattern, Doppler/Pulse Waved, and M-Mode controls, and Monitor Controls.

24
Q

What is the body pattern?

A

This is the body pattern displayed on the monitor screen.

25
Q

What does the Doppler/Pulse Waved/ M-Mode controls do?

A

Activates those modes causing the image and trackball to change depending on which mode is activated.

26
Q

What does the Monitor Controls do?

A

This lets you either make the screen brighter or darker on the screen.

27
Q

What are the basic operations of ultrasound?

A
  1. Enter the Patient’s Name or ID and Verify Patient Information
  2. Select the appropriate transducer.
  3. Place a generous amount of gel on the transducer
  4. Adjust image depth to cover the area of interest.
  5. Adjust Focal Zone
  6. Adjust the TCG
28
Q

What does PACS stand for?

A

Picture Archiving and Communications System

29
Q

What does PACS do?

A

This allows for quick and reliable retrieval of images, which can be sent to outside locations for interpretation and consultation.`

30
Q

What does HIS stand for?

A

Hospital Information System

31
Q

What does HIS do?

A

Allows the sonographer to communicate with the patient’s medical records.

32
Q

What does RIS stand for?

A

Radiology Information System

33
Q

What does RIS do?

A

Provides images and reports from other imaging examinations.

Introduction to Sonography (7 decks)

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