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Advanced Imaging > Diagnostic Medical Sonography > Flashcards

Diagnostic Medical Sonography Flashcards

1
Q

What does DMS encompass?

A

-Abdominal
-Breast
-Cardiac
-Gynecologic
-Obstetric
-Vascular

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2
Q

What is a RDMS?

A

Registered diagnostic medical sonographer

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3
Q

What do RDMS specialize in?

A

-Abdomen
-OB/GYN
-Breast
-Neonatal neurosonography

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4
Q

What is a RDCS?

A

Registered diagnostic cardiac sonographer

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5
Q

What does a RDCS specialize in?

A

fetal, pediatric and/or adult echocardiography

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6
Q

What is a RVT?

A

Registered vascular technologist

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7
Q

What does RVT specialize in?

A

-Abdominal vasculature
-Peripheral arteries and veins
-Extracranial arteries and veins
-Transcranial duplex sonography
-Physiologic vascular testing

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8
Q

How physics exams are required for all specialties?

A

One

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9
Q

What does the physics exam cover?

A

-Sonographic principles
-Hemodynamics
-Instrumentation

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10
Q

When did DMS originate?

A

WWII sonar

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11
Q

When was the first ultrasound scanner developed?

A

1948

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12
Q

When was the first echocardiographic techniques developed?

A

1954

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13
Q

When was the first obstetric scanner developed?

A

1957

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14
Q

DMS has been a popular technique since?

A

Mid 70’s

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15
Q

What is diagnostic medical sonography physics?

A

Any sound with a frequency higher then that of audible sound

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16
Q

What is normal range of human hearing(audible sound)?

A

Approximately 20 to 20,000 Hertz

17
Q

What is hertz?

A

A unit of frequency

18
Q

1 hertz =?

A

1 oscillation per second or 1 cycle per second

19
Q

How many cycles/second (hertz) for ultrasound?

A

720,000

20
Q

Lower frequencies=?

A

less resolution but deeper penetration

21
Q

Higher frequencies=?

A

Smaller wavelengths

22
Q

Readily absorbed by tissue=

A

less pentration

Advanced Imaging (11 decks)

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