Results 11 to 20 of about 24,406 (238)

Wearable Photoplethysmography for Cardiovascular Monitoring [PDF]

Proceedings of the IEEE, 2022
Funder: Wellcome ...
Charlton, Peter, Kyriaco, Panicos A, Mant, Jonathan, Marozas, Vaidotas, Chowienczyk, Phil, Alastruey, Jordi   +5 more
openaire   +8 more sources

Interpretation der Photoplethysmographie: Schritt für Schritt [PDF]

Herzschrittmachertherapie + Elektrophysiologie, 2021
ZusammenfassungBasierend auf der Technologie der Photoplethysmographie (PPG) lässt sich mit der Kamera eines Smartphones das Vorliegen von Herzrhythmusstörungen und die Herzfrequenz valide erfassen. Diese Technologie wurde im Rahmen des TeleCheck-AF-Projektes benutzt, um die effektive Durchführung von Telekonsultationen bei Patienten mit Vorhofflimmern
Betz, Konstanze, van der Velden, Rachel, Gawalko, Monika, Hermans, Astrid, Pluymaekers, Nikki, Hillmann, Henrike A K, Hendriks, Jeroen, Duncker, David, Linz, Dominik   +8 more
openaire   +1 more source

Contactless photoplethysmography for assessment of small fiber neuropathy

Frontiers in Physiology, 2023
Chronic pain is a prevalent condition affecting approximately one-fifth of the global population, with significant impacts on quality of life and work productivity.
Zbignevs Marcinkevics, Zbignevs Marcinkevics, Uldis Rubins, Alise Aglinska, Inara Logina, Dmitrijs Glazunovs, Andris Grabovskis   +6 more
doaj   +1 more source

Detection of Heart Rate Variability from Photoplethysmography (PPG) Signals Obtained by Raspberry Pi Microcomputer

Sakarya University Journal of Computer and Information Sciences, 2022
Photoplethysmography (PPG) signals are signals obtained as a result of optically measuring volumetric changes in capillaries. Volumetric changes in capillaries also depend on the work of heart.
Ceren Kaya, Ziynet Pamuk
doaj   +1 more source

Spatial analysis of photoplethysmography in cutaneous squamous cell carcinoma

Scientific Reports, 2022
The primary treatment of the common malignancy squamous cell carcinoma is surgical removal. In this process, sufficient tissue removal is balanced against unnecessary mutilation.
Simon Mylius Rasmussen, Thomas Nielsen, Henrik Hager, Lars Peter Schousboe   +3 more
doaj   +1 more source

Some features of compression therapy for varicose veins of the lower extremities of clinical class C2 according to CEAP

Амбулаторная хирургия, 2022
Introduction. The main method of varicose vein disease treatment is surgical intervention. At the same time, there is a rather large group of patients who postpone surgical treatment indefinitely. In this situation, conservative measures come to the fore,
V. Yu. Bogachev, B. V. Boldin, P. Yu. Turkin, M. N. Klyuchevskaya   +3 more
doaj   +1 more source

Classifying sepsis from photoplethysmography

Health Information Science and Systems, 2022
Abstract Purpose Sepsis is a life-threatening organ dysfunction. It is caused by a dysregulated immune response to an infection and is one of the leading causes of death in the intensive care unit (ICU). Early detection and treatment of sepsis can increase the survival rate of patients.
Sara Lombardi, Petri Partanen, Piergiorgio Francia, Italo Calamai, Rossella Deodati, Marco Luchini, Rosario Spina, Leonardo Bocchi   +7 more
openaire   +3 more sources

Advancement in the Cuffless and Noninvasive Measurement of Blood Pressure: A Review of the Literature and Open Challenges

Bioengineering, 2022
Hypertension is a chronic condition that is one of the prominent reasons behind cardiovascular disease, brain stroke, and organ failure. Left unnoticed and untreated, the deterioration in a health condition could even result in mortality.
Mohammad Mahbubur Rahman Khan Mamun, Ahmed Sherif   +1 more
doaj   +1 more source

Monte Carlo Analysis of Optical Interactions in Reflectance and Transmittance Finger Photoplethysmography [PDF]

, 2019
Photoplethysmography (PPG) is a non-invasive photometric technique that measures the volume changes in arterial blood. Recent studies have reported limitations in developing and optimising PPG-based sensing technologies due to unavailability of the ...
Anatomy, Bashkatov, Budidha, Gosling, Jacques, Lapeyre, Marks, Moyle, Panayiotis Kyriacou, Rushambwa, Subhasri Chatterjee, Tuchin, Tuchin, Webster   +13 more
core   +1 more source

A Comparative Evaluation of Heart Rate Estimation Methods using Face Videos [PDF]

, 2020
This paper presents a comparative evaluation of methods for remote heart rate estimation using face videos, i.e., given a video sequence of the face as input, methods to process it to obtain a robust estimation of the subjects heart rate at each moment ...
Diaz, David, Fierrez, Julian, Hernandez-Ortega, Javier, Morales, Aythami   +3 more
core   +1 more source