نتایج جستجو برای: heart rate extraction

تعداد نتایج: 1409141  

Journal: :IET systems biology 2008
A Bahraminasab D Kenwright A Stefanovska F Ghasemi P V E McClintock

Markovian analysis is applied to derive nonlinear stochastic equations for the reconstruction of heart rate and respiration rate variability data. A model of their 'phase' interactions is obtained for the first time, thereby gaining new insights into the strength and direction of the cardiorespiratory phase coupling. The reconstructed model can reproduce synchronisation phenomena between the ca...

2006
Olivier Villon Christine Lisetti

We present a method applied to the emotional subjective experience of the user for extracting emotional semantic information from Autonomic Nervous System (ANS) physiological signals (skin conductance and heart rate) sensed via bio-sensors. We present a physiologicallyinspired data structure based on intra-individual rule extraction used to reach an interpretation of the physiological measure c...

Journal: :The Journal of clinical endocrinology and metabolism 1998
G Iervasi A Clerico A Pilo L Sabatino Manfredi F Forini M G Del Chicca C Palmieri M Ravani L Donato

In an attempt to identify and quantify the sites of atrial natriuretic peptide (ANP) degradation, particularly the lungs, a new tracer method to study ANP metabolism in vivo in humans was developed and applied to patients with left ventricular dysfunction. Thirteen male, normotensive, cardiac patients with different degrees of left ventricular myocardial involvement were enrolled in the study. ...

Journal: :journal of research in medical sciences 0
alireza ashtari dep. of ophtalmology, isfahan university of medical sciences ali akbar mortazavi dep. of ophtalmology, isfahan university of medical sciences

background: this study was conducted to evaluate variations in heart rate and to determine the occurrence of oculocardiac reflex (ocr) during laser in situ keratomileusis (lasik). methods: this descriptive, prospective study was designed to observe the effect of suction ring and ablation stages during lasik procedure on the heart rate. the ecg was taken before and during lasik operation on the ...

Journal: :American Journal of Physiology-Heart and Circulatory Physiology 2008

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