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Vascular Board > Chapter 8 Plethysmography Upper and Lower Extremities > Flashcards

Chapter 8 Plethysmography Upper and Lower Extremities Flashcards

1
Q

_____ mainly used for evaluation of digits and penile vessels

A

PPG

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2
Q

The measurement of volume change describes

A

Volume air plethysmography

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3
Q

Plethysmography is another name for

A

Air

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4
Q

A ______ transducer converts the pressure changes into analog waveforms for display on strip chart recorder

A

Pressure

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5
Q

Fixed amount of air pressure in cuff describes

A) diastole
B) systole

A

A) diastole

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6
Q

Air pressure in cuff increases as arteries expand is

A) diastole
B) systole

A

B) systole

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7
Q

What detects cutaneous blood flow

A

PPG

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8
Q

________ consists of light emitting diode and photo sensor

A

Photocell

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9
Q

The cutaneous blood flow determines the _____

A

Reflection

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10
Q

_______ attenuates light in proportion to its content in tissue

A

Blood

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11
Q

Increased blood flow results in _______ reflection

A

Decreased

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12
Q

Why are artifacts not uncommon during volume plethysmography

A

Due to improper cuff application

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13
Q

What does PPG stand for

A

Photo plethysmography

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14
Q

A fairly rapid upslope, sharp systolic peak with reflected waves describes

A) normal
B) mildly abnormal
C) moderately abnormal
D) severely abnormal

A

A) normal

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15
Q

Sharp peak, absent reflected wave, downslope is bowed away from baseline describes

A) normal
B) mildly abnormal
C) moderately abnormal
D) severely abnormal

A

B) midly abnormal

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16
Q

A flattened systolic peak, upslope and downslope more delayed, reflected wave ( notch ) absent describes

A) normal
B) midly abnormal
C) moderately abnormal
D) severely abnormal

A

C) moderately abnormal

17
Q

Low amplitude that may be absent describes

A) normal
B) midly abnormal
C) moderately abnormal
D) severely abnormal

A

D) severely abnormal

18
Q

Abnormal waveforms always reflect hemodynamically significant disease _______ to level of tracing

19
Q

Reduced amplitude with no changes in the contour is likely to reflect ________ disease

A

Insignificant

20
Q

Any change in volume of the enclosed part with displace an ______ amount of water

21
Q

Pulse plethysmography refers to ______ changes in volume related to the pulse by pulse activity of the left ventricle

Vascular Board (29 decks)

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