منابع مشابه
Recent Advances in the Clinical Electrophysiology of Mnuscle and Nerve
THE past few years have witnessed a number of important advances in clinical electromyography. Previous reviews have been made by Marinacci (1955), Lambert (1956), Buchthal (1957a) and Gilliatt (I957). Rather than attempting a general survey of the subject, it seemed more profitable in a short article to select for consideration four topics in which significant advances had been made since thes...
متن کاملAdvances in Arrhythmia and Electrophysiology
Saturation Artifact If a 3-mV peak signal is being amplified at a gain of 5000, the final output will be 15 000 mV or 15 V; however, if the system supply voltage is limited to 10 V, the overall signal amplitude would be limited to about 9.5 V (slightly below the supply voltage). The signal would simply be cut off above 9.5 V, although the amplifiers would attempt to drive themselves up to the r...
متن کاملAdvances in Arrhythmia and Electrophysiology
Commotio cordis is a phenomenon in which a sudden blunt impact to the chest causes sudden death in the absence of cardiac damage. This condition was first described in the middle of the 18th century in the context of chest trauma among workers.1 Through most of the 20th century, it was only sporadically reported. In the last 2 or 3 decades, commotio cordis events have primarily occurred in spor...
متن کاملInterventional cardiac magnetic resonance imaging in electrophysiology: advances toward clinical translation.
T echnical advances in cardiovascular electrophysiology have resulted in an increasing number of catheter abla-tion procedures reaching 200 000 in Europe for the year 2013. 1 These advanced interventions are often complex and time-consuming and may cause significant radiation exposure. 2 Furthermore, a substantial number of ablation procedures remain associated with poor (initial) outcomes and ...
متن کاملAdvances in Arrhythmia and Electrophysiology Applications of Cardiac Magnetic Resonance in Electrophysiology
Because of its wide availability, echocardiography is the most frequently used modality for diagnosis of the underlying substrate for cardiac arrhythmia. However, echocardiography is unable to visualize intramyocardial substrates for reentrant arrhythmia such as fat or scar fibrosis. Replacement of myocytes with nonviable tissue results in hypertrophy of the remaining viable cells and is associ...
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ژورنال
عنوان ژورنال: JACC: Clinical Electrophysiology
سال: 2016
ISSN: 2405-500X
DOI: 10.1016/j.jacep.2016.01.007