Arterial Plethysmography Flashcards
(8 cards)
1
Q
2 methods of plethysmography
A
volume (air) plethysmography
photo-plethysmography (PPG)
2
Q
air plethysmography
pneumatic cuffs are inflated with a measured amount of air to a cuff pressure of ___
A
40-65mmHg
3
Q
air plethysmography
as arterial blood flow moves through the vessel segment under the cuff, the limb gets slightly ___
A
slightly larger
4
Q
air plethysmography typically is performed in conjunction with
A
pressure measurements
Doppler waveforms
5
Q
air plethysmography assesses (2)
A
total limb blood flow
presence of collaterals
6
Q
PPG is typically used for
A
digits
7
Q
PPG confirms (3)
A
presence, severity, and approximate location of disease
8
Q
qualitative or quantitative?
plethysmography interpretation
A
qualitative
