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Items for "electrocardiogram"

Electrodynamic Heart Model Construction and ECG Simulation

OBJECTIVES: In this paper, we present a unified electrodynamic heart model that permits simulations of the body surface potentials generated by the heart in motion...

Keywords: Electromechanical heart model, finite element method, electrocardiogram, myocardial ischemia

01/2006 | Methods of Information in Medicine, Schattauer

Comparison of three methods for beat-to-beat-interval extraction from continuous blood pressure and electrocardiogram with respect to heart rate variability analysis

In recent years the analysis of heart rate variability (HRV) has become a suitable method for characterizing autonomous cardiovascular regulation...

Keywords: Elektrokardiogramm, Extraktionsalgorithmus, Herzratenvariabilität, Schlag-zu-Schlag-Intervall

07/2006 | Biomedizinische Technik, Walter de Gruyter

Changes induced in the lower- and upper-limb pulse transit-time ratio during inspiratory resistive breathing

The ankle brachial index (ABI) has been widely used to monitor the pathogenesis of peripheral arterial diseases such as ischemia of the extremities...

Keywords: ankle brachial index, blood pressure, electrocardiogram, photoplethysmography, prolonged monitoring

06/2007 | Biomedizinische Technik, Walter de Gruyter

Ein kabelfreies, kapazitiv gekoppeltes EKG-Messsystem / Wireless ECG measurement system with capacitive coupling

Zusammenfassung In dieser Arbeit wird ein Messgert vorgestellt, mit welchem ein Elektrokardiogramm (EKG) ber kapazitiv angekoppelte Elektroden abgeleitet werden kann...

Keywords: Elektrokardiogramm, Herz, isolierte Elektrode, kontaktfrei, Stuhl, berwachung, chair, electrocardiogram, heart, insulated electrode, monitoring, non-contact

04/2007 | Biomedizinische Technik, Walter de Gruyter

Effects of poorly perfused peripheries on derived transit time parameters of the lower and upper limbs

A simple and non-intrusive approach termed the pulse transit time ratio (PTTR) has recently been shown to be a potential surrogate of the ankle-brachial index (ABI)...

Keywords: ankle-brachial index, blood pressure, electrocardiogram, non-invasive prolonged monitoring, photoplethysmography, pulse transit time

06/2008 | Biomedizinische Technik, Walter de Gruyter