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Items for "photoplethysmography"

Changes induced in the lower- and upper-limb pulse transit-time ratio during inspiratory resistive breathing

The ankle brachial index (ABI) has been widely used to monitor the pathogenesis of peripheral arterial diseases such as ischemia of the extremities...

Keywords: ankle brachial index, blood pressure, electrocardiogram, photoplethysmography, prolonged monitoring

06/2007 | Biomedizinische Technik, Walter de Gruyter
Effects of poorly perfused peripheries on derived transit time parameters of the lower and upper limbs

A simple and non-intrusive approach termed the pulse transit time ratio (PTTR) has recently been shown to be a potential surrogate of the ankle-brachial index (ABI)...

Keywords: ankle-brachial index, blood pressure, electrocardiogram, non-invasive prolonged monitoring, photoplethysmography, pulse transit time

06/2008 | Biomedizinische Technik, Walter de Gruyter