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Browsing Research Articles (Physiology) by Subject "Electrocardiography"
Now showing items 1-5 of 5
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(Suid-Afrikaanse Akademie vir Wetenskap en Kuns, 2006-06)Tydens die normale funksionering van die hart fluktueer die intervalle tussen opeenvolgende hartslae (R-R-intervalle) rondom 'n gemiddelde waarde. Hierdie fluktuering staan bekend as harttempovariasie (HTV). Verskillende ...
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(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2009-12)The QRS response of the electrocardiogram to bleeding has been a source of interest to the physiologist for more than a century. Studies in the dog, cat and chicken have shown a reduction in QRS amplitude in response to ...
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(Libertas Academica, 2010-09)The U wave is still an electrocardiographic deflection of enigmatic origin. Numerous hypotheses on its origin have been formulated, but to date none has been conclusively proven. Recently, a report described the first ...
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(Elsevier, 2012-07)BACKGROUND: During the past century the electrocardiogram (ECG) has established itself as an integral part of the cardiovascular examination. Since the first direct recordings of cardiac potentials by Waller in 1887, to ...
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(Clinics Cardiv, 2009-07)One of the earliest hypotheses on the origin of the U wave was that these waves represent repolarisation of the papillary muscles and their neighboring structures. Various U-wave and TU-segment abnormalities have been ...
Now showing items 1-5 of 5