Pulsa viļņa izplatīšanas ātruma noteikšana ar bezkontakta fotopletizmogrāfijas metodi

6533b86dfe1ef96bd12ca3d8

RESEARCH PRODUCT

Pulsa viļņa izplatīšanas ātruma noteikšana ar bezkontakta fotopletizmogrāfijas metodi

subject

Fizika fotopletizmogrāfija pulsa amplitūda pulsa viļņa ātrums plaukstas apasiņošanas bezkontakta fotopletizmogrāfija

description

Darbā pētīta bezkontaktu fotopletizmogrāfijas (bPPG) metode ādas asinsrites attālinātai mērīšanai. Parādīta iespēja iegūt bPPG signāla izmaiņas no dažādām plaukstas vietām ārējo stimulu (aukstuma/siltuma) ietekmē. Izstrādāts bPPG analīzes algoritms un datorprogramma, ar kuras palīdzību no 2 interešu zonām var noteikt asins apjoma pulsāciju signālus, no kuriem tiek aprēķināti asinsrites hemodinamiskie parametri: pulsa viļņa ātrums,pulsa frekvence, pulsa amplitūda un fāžu nobīde starp signāliem 2 ādas zonās. Pētīta korelācija starp hemodinamiskajiem parametriem, kas mainās ādas sildīšanas ietekmē.

year	journal	country	edition	language
2015-01-01

https://dspace.lu.lv/dspace/handle/7/29694

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