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The Electrocardiograph signal represents the heart's electrical activity while blood pressure results from the heart's mechanical activity. Previous studies have investigated how the heart's electrical and mechanical activities are related…

Signal Processing · Electrical Eng. & Systems 2020-08-25 Seyedeh Somayyeh Mousavi , Mostafa Charmi , Mohammad Firouzmand , Mohammad Hemmati , Maryam Moghadam , Yadollah Ghorbani

This paper presents the mathematical modeling-based design and simulation of normal mode MEMS capacitive pressure sensor for blood pressure sensing application. The normal blood pressure of human being is 120/80 mmHg. But this range varies…

Medical Physics · Physics 2023-01-31 Rishabh Bhooshan Mishra , S. Santosh Kumar , Ravindra Mukhiya

Hypertension, a leading contributor to cardiovascular morbidity, underscores the need for accurate and continuous blood pressure (BP) monitoring. Photoplethysmography (PPG) presents a promising approach to this end. However, the precision…

Exploiting photoplethysmography signals (PPG) for non-invasive blood pressure (BP) measurement is interesting for various reasons. First, PPG can easily be measured using fingerclip sensors. Second, camera-based approaches allow to derive…

Machine Learning · Computer Science 2021-04-20 Fabian Schrumpf , Patrick Frenzel , Christoph Aust , Georg Osterhoff , Mirco Fuchs

Noninvasive arterial blood pressure (ABP) monitoring is essential for patient management in critical care and perioperative settings, providing continuous assessment of cardiovascular hemodynamics with minimal risks. Numerous deep learning…

Machine Learning · Computer Science 2026-01-27 Wentao Li , Yonghu He , Zirong Yu , Kun Gao , Qing Liu , Yali Zheng

Object: It is increasingly popular to collect as much data as possible in the hospital setting from clinical monitors for research purposes. However, in this setup the data calibration issue is often not discussed and, rather, implicitly…

Quantitative Methods · Quantitative Biology 2019-09-17 Yu-Ting Lin , Yu-Lun Lo , Chen-Yun Lin , Hau-Tieng Wu , Martin G. Frasch

Objective: Current resuscitation protocols require pausing chest compressions during cardiopulmonary resuscitation (CPR) to check for a pulse. However, pausing CPR during a pulseless rhythm can worsen patient outcome. Our objective is to…

Signal Processing · Electrical Eng. & Systems 2020-08-06 Diya Sashidhar , Heemun Kwok , Jason Coult , Jen Blackwood , Peter Kudenchuck , Shiv Bhandari , Thomas Rea , J. Nathan Kutz

Arterial pulse waves contain clinically useful information: their intensity varies with cardiac performance, their speed (pulse wave velocity; PWV) depends on arterial stiffness and their reflection is affected by conduit artery tone. Here…

Medical Physics · Physics 2022-05-31 Ethan M Rowland , Kai Riemer , Kevin Lichtenstein , Mengxing Tang , Peter Weinberg

This work proposes a smartphone video-based approach for the estimation of blood glucose in a non-invasive way. Videos using smartphone camera are collected from the tip of the subjects finger and the frames are subsequently converted into…

Signal Processing · Electrical Eng. & Systems 2019-12-02 Tauseef Tasin Chowdhury , Tahmin Mishma , Md. Saeem Osman , Tanzilur Rahman

Purpose: To show some preliminary results about the possibility to exploit a cardiovascular mathematical model - made patient-specific by noninvasive data routinely measured during ordinary clinical examinations - in order to obtain…

Medical Physics · Physics 2021-01-22 Caterina Gallo , Joakim Olbers , Luca Ridolfi , Stefania Scarsoglio , Nils Witt

Remote photoplethysmography (rPPG) allows for noncontact monitoring of blood volume changes from a camera by detecting minor fluctuations in reflected light. Prior applications of rPPG focused on face videos. In this paper we explored the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Lu Niu , Jeremy Speth , Nathan Vance , Benjamin Sporrer , Adam Czajka , Patrick Flynn

Visible-light cameras can capture subtle physiological biomarkers without physical contact with the subject. We present the Multi-Site Physiological Monitoring (MSPM) dataset, which is the first dataset collected to support the study of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Jeremy Speth , Nathan Vance , Benjamin Sporrer , Lu Niu , Patrick Flynn , Adam Czajka

The morphology and velocity of the pulse wave in the arteries provide meaningful information about the cardiovascular system. Nowadays, the pulse wave is usually acquired using common blood pressure cuffs at the extremities. This work…

Medical Physics · Physics 2019-03-01 Roman Kusche , Turner Adornetto , Paula Klimach , Martin Ryschka

Hypertension is a leading risk factor for cardiovascular diseases. Traditional blood pressure monitoring methods are cumbersome and inadequate for continuous tracking, prompting the development of PPG-based cuffless blood pressure…

Signal Processing · Electrical Eng. & Systems 2024-11-20 Hui Lin , Jiyang Li , Ramy Hussein , Xin Sui , Xiaoyu Li , Guangpu Zhu , Aggelos K. Katsaggelos , Zijing Zeng , Yelei Li

Objective: Exploit accelerometry data for an automatic, reliable, and prompt detection of spontaneous circulation during cardiac arrest, as this is both vital for patient survival and practically challenging. Methods: We developed a machine…

Signal Processing · Electrical Eng. & Systems 2023-02-13 Wolfgang J. Kern , Simon Orlob , Andreas Bohn , Wolfgang Toller , Jan Wnent , Jan-Thorsten Gräsner , Martin Holler

Photoplethysmography (PPG)-based blood pressure (BP) estimation represents a promising alternative to cuff-based BP measurements. Recently, an increasing number of deep learning models have been proposed to infer BP from the raw PPG…

Machine Learning · Computer Science 2026-03-03 Mohammad Moulaeifard , Peter H. Charlton , Nils Strodthoff

Continuous cardiovascular monitoring can play a key role in precision health. However, some fundamental cardiac biomarkers of interest, including stroke volume and cardiac output, require invasive measurements, e.g., arterial pressure…

Time over dynamic threshold (TODT) method, proposed in our previous work, has been successfully used for nuclear pulse charge measurement in PET detectors. It has advantages of strict linearity, large dynamic range, and better energy…

Instrumentation and Detectors · Physics 2018-06-08 Zhengqi Song , Yonggang Wang , Yong Xiao , Qiang Cao

Arterial Blood Pressure wave monitoring is considered to be important in assessment of cardiovascular system. We developed a novel pulse wave detection system using low frequency specific piezoelectric material as pressure wave sensor. The…

Medical Physics · Physics 2007-05-23 Shantanu Sur , S. K. Ghatak

Ischemic heart disease is the highest cause of mortality globally each year. This not only puts a massive strain on the lives of those affected but also on the public healthcare systems. To understand the dynamics of the healthy and…

Machine Learning · Computer Science 2021-02-25 Eoin Brophy , Maarten De Vos , Geraldine Boylan , Tomas Ward