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