Chapter 6 Vocab Flashcards

1
Q

Acoustic cavitation

A

The production of bubbles in a liquid medium

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2
Q

Acoustic radiation force impulse imaging

A

Uses acoustic radiation force to compress the soft tissue and provides a qualitative measurement of stiffness without requiring pressure input from the sonographer

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3
Q

ALARA

A

As Low As Reasonably Achievable
Used to remind professionals to keep patient exposure to ultrasound at a minimum

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4
Q

Automatic external defibrillator

A

A portable device that is used to detect and treat abnormal heart rhythms with electrical defibrillation

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5
Q

Contrast-enhanced ultrasound (CEUS)

A

Type of imaging in which an ultrasound contrast agent containing microscopic gas bubbles is used to improve visualization of structures or blood flow

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6
Q

Diabetes mellitus

A

A group of metabolic diseases that result from a chronic disorder or carbohydrates metabolism

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7
Q

Diabetic ketoacidosis

A

A complication of diabetes that results from the severe lack of insulin

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8
Q

Elastography

A

A sonographic technique used to evaluate the stiffness of a mass or tissue

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9
Q

Ergonomics

A

The scientific study of creating tools and using equipment effectively in order to help the human body adjust to the work environment

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10
Q

Fusion imaging

A

Technology that provides the ability to view alternate imaging modality (CT or MRI) during real-time sonography

Aka hybrid imaging

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11
Q

Health Insurance Portability and Accountability Act (HIPAA)

A

US law, upholds patient confidentiality and requires the use of electronic medical records

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12
Q

Hepatitis

A

Inflammation of the liver

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13
Q

Hyperglycemic hyperosmolar nonketotic syndrome

A

Diabetic syndrome characteristics by excessive urination and dehydration

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14
Q

Hypoglycemia

A

Lower than normal blood sugar level

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15
Q

Intravascular ultrasound

A

The technique that employs a miniature ultrasound transducer placed on a catheter and inserted into the circulatory system

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16
Q

Mechanical index

A

The calculation used to identify the likelihood that cavitation could occur

17
Q

Nosocomial infection

A

A hospital-acquired infection

18
Q

Radiation forces

A

Forces exerted by a sound beam on an absorber or reflector that can alter structures

19
Q

Shear wave elastography

A

Elastography technique that uses shear wave information to analyze the stiffness of tissue

20
Q

Shock

A

The body’s pathologic response to illness, trauma, or severe physiologic or emotional stress

21
Q

Strain Elastography

A

Operator dependent type of Elastography that measure the change in tissue as a result of compression

22
Q

Streaming

A

When acoustic fields cause motion of fluids

23
Q

Tachycardia

A

Rapid heart rate

Rate that Exceeds normal rate for persons age

24
Q

Thermal index

A

The calculation used to predict the maximum temperature elevation in tissues as a result of the attenuation of sound