Table 1 Comparison of pocket Doppler and vascular laboratory measurement of brachial and ankle blood pressures
Pocket Doppler | Vascular laboratory equipment | |
|---|---|---|
Probe | 8 MHz | 8 MHz |
Cuff inflation/deflation | Manually | Automatically |
SBP cut-off point | • Audible signal | • Visual and audible signal |
• View the manometer at the time of the first sound | • Adjustable line placed on the monitor | |
• Rapid response with immediate determination of the cut-off point | • Line is precisely positioned retrospectively |