> But, Terry, what would make that gizmo, or the one I saw the brochure
> about, different from a PVR? I've never heard of PVR being able to tell
> you about arterial wall stiffness.
> Don Ridgway
> Grossmont Hospital
> Grossmont College
> I had used such a device as a PA in a VA hospital in 1970's. It had a cuff
> which was applied and inflated to a point in between systolic and
> pressure. An indicator (like a the hand of a clock) would oscillate back
> forth with each pulsation. Large oscillations back and forth correlated
> a healthy vessels at that segment of the limb, analogous to a good PVR
> waveform, smaller oscillations a poor PVR wave form. In addition,
> blood pressures do use oscillometric technology which is accurate except
> when pressures are below 60 mmHg.
> Terry Case
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