Characteristics of Spatial Pulse Wave Velocity Measured During Spinal Stimulation and Thermal Treatment with Magnetic Sensing Hall Element Pulsimeter and Photoplethysmography

Lim, Jae-Sun; Lee, Jeon-In; Lim, Ye-Eun; Lee, Han-Seung; Jeon, Chan-Ho; Lee, Sang-Suk; Jung, Byungjo

doi:10.4283/jkms.2022.32.6.264

JKMS

2022

DOI: 10.4283/jkms.2022.32.6.264

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Characteristics of Spatial Pulse Wave Velocity Measured During Spinal Stimulation and Thermal Treatment with Magnetic Sensing Hall Element Pulsimeter and Photoplethysmography

Jae-Sun Lim¹,

Jeon-In Lee²,

Ye-Eun Lim³

et al.

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2024

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Characteristics of blood flow velocity in the radial artery and finger capillaries using magnetoplethysmogram and photoplethysmogram

Lee,

Choi,

Kim

et al. 2024

AIP Advances

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The Hall element and optical sensor, which can detect the magnetic field change caused by the minute fluctuations of the permanent magnet according to the periodic movement of the radial artery and the light absorption and reflection intensity according to the change in wrist blood flow, respectively, are used as key elements in digital healthcare devices. The pulse waves of the radial artery inside the wrist were measured and analyzed using a clip-type pulsimeter, magnetoplethysmogram (MPG). The pulse wave, which is the change in blood flow obtained by photoplethysmogram (PPG), was measured on the dorsal side of the wrist or the fingers simultaneously with MPG. The ABFV (artery blood flow velocity) is a few ten cm/s as DH (distance between MPG and PPG) divided by ΔT(a) which is the time difference between the first peaks of MPG and PPG waveforms on the dorsal side of the wrist. The PBFV (peripheral blood flow velocity) is a few mm/s as LH (hand length) divided by ΔT(p), which is the time difference between the first peak of MPG waveform and the third peak PPG waveform on the finger. For four subjects of 20s, SPWV was approximately 0.98∼1.19 m/s, ABFV in the radial artery was approximately 0.40∼0.44 m/s, and finger capillary PBFV was approximately 6.3∼8.6 cm/s. These results show reasonable values similar to the blood velocity of many blood vessels flowing through the human body.

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Characteristics of blood flow velocity in the radial artery and finger capillaries using magnetoplethysmogram and photoplethysmogram

Lee,

Choi,

Kim

et al. 2024

AIP Advances

View full text Add to dashboard Cite

show abstract

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Characteristics of Spatial Pulse Wave Velocity Measured During Spinal Stimulation and Thermal Treatment with Magnetic Sensing Hall Element Pulsimeter and Photoplethysmography

Cited by 1 publication

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Characteristics of blood flow velocity in the radial artery and finger capillaries using magnetoplethysmogram and photoplethysmogram

Characteristics of blood flow velocity in the radial artery and finger capillaries using magnetoplethysmogram and photoplethysmogram

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