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4. Options
4-1. Options
Read the manual that accompanies each option to ensure correct use of the option.
TBI Package
The TBI package calculates TBI (Toe Brachial Index). The TBI package can be used to measure
PWV, ABI, TBI (Toe Brachial Index), and toe systolic blood pressure. Conditions to which this can
be applied include:
• When disease is suspected in the foot below the ankle (heel, top of foot, bottom of foot).
• When high blood pressure is measured in the ankle joint due to diabetic arteriosclerosis
(calcification) or other reason (because calcification tends not to extend to peripheral areas).
Measurable items
Toe systolic blood pressure (maximum blood pressure)
Measurement range: 40 mmHg - 260 mmHg (However, in the vicinity of 40 mmHg, fluctuations of
about ±10 mmHg may occur due to pulse amplitude.)
TBI (Toe Brachial Index)
TBI = Toe systolic pressure / brachial systolic pressure (higher of left and right pressures)
(The TBI of a healthy person is generally 0.7 or higher; a TBI of less than 0.7 may indicate a
pathological change.)
Toe pulse waveform display (PVR)
Display of the pulse waveform when a constant pressure is applied to the toe cuff.
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