National Repository of Grey Literature 62 records found  beginprevious53 - 62  jump to record: Search took 0.01 seconds. 
The comparison of some hemodynamics parameters, obtained by two non-invasive measurement methods - echocardiography and impedance cardiography (HOTMAN System) by patients with systemic hypertension
SASSMANNOVÁ, Anna
Echocardiography is an investigation of heart via scan. This enables to intend the moving and the locality of heart structures via scan pulse waves which are repulsed with acoustic interfaces. Impedance measuring of the thorax hemodynamics is based on changes of electrical impedance. These changes happen mainly because of the heart function. By its rhytmical function the heart periodically changes the conditions of blood flow through all vessels. By this we can explain periodical changes of impedance with frequence of heartbeat which we can observe by measuring. In this work I describe the comparison of two noninvasive investigation methods {--} echocardiography and impedance measuring of hemodynamics (Hotman System). We can use both of them to examine patients with high blood pressure (hypertension). My measurings are based on hemodynamics concept of hypertension. I did not take into account the actual treatment of patients. It is reviewed only patient´s actual situation and values of EF (ejection fraction) and CI (cardiac index) are compared in the same time by the same conditions.

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