[HTML][HTML] Wearable cardiorespiratory monitoring employing a multimodal digital patch stethoscope: estimation of ECG, PEP, LVET and respiration using a 55 mm single …

M Klum, M Urban, T Tigges, AG Pielmus, A Feldheiser… - Sensors, 2020 - mdpi.com
Cardiovascular diseases are the main cause of death worldwide, with sleep disordered
breathing being a further aggravating factor. Respiratory illnesses are the third leading …

Wearable multimodal stethoscope patch for wireless biosignal acquisition and long-term auscultation

M Klum, F Leib, C Oberschelp… - 2019 41st annual …, 2019 - ieeexplore.ieee.org
Detecting critical events in postoperative care and improving comfort, costs and availability
in sleep assessment are two of many areas in which wearable biosignal acquisition can be …

Surrogate based continuous noninvasive blood pressure measurement

AG Pielmus, J Mühlstef, E Bresch, M Glos… - Biomedical …, 2021 - degruyter.com
Arterial blood pressure is one of the most often measured vital parameters in clinical
practice. State-of-the-art noninvasive ABP measurement technologies have noticeable …

[HTML][HTML] Novel computation of pulse transit time from multi-channel ppg signals by wavelet transform: Towards continuous, non-invasive blood pressure estimation

AG Pielmuş, M Pflugradt, T Tigges, M Klum… - Current Directions in …, 2016 - degruyter.com
Being able to accurately monitor blood pressure in a reliable, truly non-invasive manner is a
highly sought after goal within the biomedical community. In this paper we propose and …

[HTML][HTML] Detection of a stroke volume decrease by machine-learning algorithms based on thoracic bioimpedance in experimental hypovolaemia

M Stetzuhn, T Tigges, AG Pielmus, C Spies, C Middel… - Sensors, 2022 - mdpi.com
Compensated shock and hypovolaemia are frequent conditions that remain clinically
undetected and can quickly cause deterioration of perioperative and critically ill patients …

[HTML][HTML] Perioperative advanced haemodynamic monitoring of patients undergoing multivisceral debulking surgery: an observational pilot study

C Middel, M Stetzuhn, N Sander, B Kalkbrenner… - Intensive Care Medicine …, 2023 - Springer
Background Patients undergoing high-risk surgery show haemodynamic instability and an
increased risk of morbidity. However, most of the available data concentrate on the …

[HTML][HTML] Minimally spaced electrode positions for multi-functional chest sensors: ECG and respiratory signal estimation

M Klum, T Minn, T Tigges, AG Pielmus… - Current Directions in …, 2016 - degruyter.com
Unobtrusive medical instrumentation is a key in continuous patient monitoring. To increase
compliance, multi-functional sensor concepts and measurement sites different from gold …

[HTML][HTML] GRU Neural Network Improved Bioimpedance Based Stroke Volume Estimation during Ergometry Stress Test

M Urban, M Klum, AG Pielmus, F Liebrenz, S Mann… - Sensors, 2022 - mdpi.com
Cardiovascular diseases (CVDs) are one of the leading members of non-communicable
diseases. An early diagnosis is essential for effective treatment, to reduce hospitalization …

Correlation of arterial blood pressure to synchronous piezo, impedance and photoplethysmographic signal features: Investigating pulse wave features and transit …

AG Pielmuş, D Osterland, M Klum, T Tigges… - Current Directions in …, 2017 - degruyter.com
In this paper we investigate which pulse wave pick-up technologies are well suited for blood
pressure trend estimation. We use custom built hardware to acquire electrocardiographic …

Wearable impedance pneumography

M Klum, M Urban, AG Pielmus… - Current Directions in …, 2020 - degruyter.com
Respiratory diseases are a leading cause of death worldwide. The prevalence of sleep
apnea, its cardiovascular consequences, postoperative respiratory instability and severe …