نتایج جستجو برای: electrocardiography
تعداد نتایج: 15211 فیلتر نتایج به سال:
چکیده ندارد.
Skin reactions following the application of electrocardiography (ECG) electrodes have been reported in adults and children, and are postulated to result from contact with the conductive gel or adhesive used on the electrodes. Although contact dermatitis is the usual cause of such reactions, contact depigmentation or hypopigmentation may also occur. We report a case of hypopigmentation in a heal...
Fast Interactive Ecg Simulation and Optimization-based Reconstruction of Depolarization in the Heart
A computation procedure for ECG simulation starting from realistic cellular automaton heart model is presented. For the computationally expensive step of solving the Poisson’s equation finite element method is employed. Fast computation of ECG without any simplifications in the volume conductor model is shown to be possible. The implemented procedure is applied for the solution of the inverse p...
Background: Milk fever in cattle, sheep and goats occurs around the time of parturition and is caused by hypocalcemia. OBJECTIVES: The aim of this study was to investigate the physiological effects of experimental hypocalcemia on electrocardiography, hematology and serum biochemical changes in Markhoz goat breed. METHODS: Ethylene diamine tetra- acetate solution 4.6% was intravenously infused ...
The effect of Corwin, a new oral beta, partial agonist, on the ventricular response to atrial fibrillation was studied in digitalised patients during 24 hour ambulatory electrocardiography and during exercise on a treadmill in a double blind placebo controlled crossover trial. Corwin reduced the maximum heart rate during exercise from 162(16) beats/min to 120(9) beats/min and reduced the peak h...
Since 1974, late results of the Mustard procedure for correcting complete transposition of the great arteries have been evaluated by cardiac catheterization, electrocardiography, roentgenography, history, and physical examination of 48 Mayo Clinic patients. Of these, 15 were studied I month to 2 years postoperatively because of clinical deterioration. The other 33 had been asymptomatic but were...
In August 2004, a group of scientists and clinicians with a deep interest in electrocardiography met to discuss the present and future of the electrocardiogram as an imaging modality. Motivated by a set of challenges to the field, they each presented and discussed their ideas about the basic electrophysiology, the computational approaches required, and the clinical state of the art and where it...
Recognition of the P wave is important for the correct characterization of atrial and ventricular arrhythmias. When the P wave is difficult to identify on standard electrocardiography (SECG), either esophageal electrocardiography (EECG) or intracardiac electrocardiography (IC-ECG), central venous catheter may be used. The feasibility of these methods has already been demonstrated, but there is ...
The findings of 24 hour ambulatory electrocardiography and monitoring with the Cardiomemo, a device recording 32 seconds of electrocardiogram during symptoms, were compared in 20 patients with symptoms suggestive of arrhythmia. Ambulatory electrocardiography showed arrhythmia in seven patients, extrasystoles in six, and normal findings in seven. Nine patients failed to transmit any Cardiomemo r...
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