Results 241 to 250 of about 198,491 (299)
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Pediatric Electrophysiology

Current Opinion in Cardiology, 1993
Our understanding of pediatric arrhythmias continues to evolve through natural history studies of paroxysmal supraventricular tachycardia, the congenital long QT syndrome, and postoperative atrial and ventricular tachyarrhythmias. The influence of the autonomic nervous system on cardiovascular function may play a role in the sudden infant death ...
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Electrophysiologic Testing

Dimensions of Critical Care Nursing, 2003
The purpose of this article is to provide an introduction to electrophysiology (EP) testing. The history and evolution of EP testing will be reviewed briefly. The indications for electrophysiology studies (EPS) testing, EP definitions and terminology, components of a basic EP procedure, and potential complications will also be presented.
Diane M, Bosen, Matthew A, Flemming
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The electrophysiology of migraine

Current Opinion in Neurology, 2003
The pathophysiology of migraine is far from being understood. Electrophysiological methods are useful to investigate peripheral and central mechanisms underlying this disorder. The purpose of this review is to highlight the results of electrophysiological studies published during the last year and to examine their added value to our previous knowledge ...
Ambrosini, A., Schoenen, Jean
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Lysosome electrophysiology

2015
The physiology and functions of ion channels have been major topics of interest in biomedical research. Patch clamping is one of the most powerful techniques used in the study of ion channels and has been widely applied to the investigation of electrical properties of ion channels on the plasma membrane in a variety of cells.
Xi Z, Zhong, Xian-Ping, Dong
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Electrophysiology of esmolol

The American Journal of Cardiology, 1985
The electrophysiologic characteristics of esmolol were studied in 14 patients. Ten men and 4 women, mean age 57 years, were electrophysiologically evaluated at baseline, and also at 4 to 8 minutes after the administration of a maintenance infusion of esmolol.
A M, Greenspan   +5 more
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The electrophysiology of introspection

Consciousness and Cognition, 2006
To study whether the distinction between introspective and non-introspective states of mind is an empirical reality or merely a conceptual distinction, we measured event-related potentials (ERPs) elicited in introspective and non-introspective instruction conditions while the observers were trying to detect the presence of a masked stimulus.
Overgaard, Morten   +4 more
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Electrophysiology

2011
Electrophysiological recording techniques have been widely applied to study the functional role of neuropeptides. The present chapter focuses on the very often used techniques including whole-cell patch-clamp recording, sharp electrode intracellular recording, and extracellular field potential recording in slice preparation as well as in vivo animal ...
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The electrophysiology of the utricle

Pfl�gers Archiv European Journal of Physiology, 1972
The Na+ concentration in utricular endolymph of guinea pigs was measured with Na+ specific electrodes and found to be 12.6±5.8 mEqu/l. The utricular potential was 1.8±4.4 mV. Permanent anoxia resulting in the death of the animal caused the potential to fall by 15 mV and the Na+ concentration to rise at a rate of 0.4 mEqu/l per minute.
P M, Sellick   +2 more
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The electrophysiology of the saccule

Pfl�gers Archiv European Journal of Physiology, 1972
The Na+ concentration in saccular endolymph in guinea pigs was measured and found to be 3.2±0.6 mEqu/l with sodium specific electrodes. The saccular potential varied between −8 and +2.4 mV. Permanent anoxia resulting in the death of the animal caused the potential to fall by 15 mV and the Na+ concentration to rise to 40 mEqu/l in 30 min. Maintenance of
P M, Sellick, B M, Johnstone
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Electrophysiology of the Cochlea

Otolaryngologic Clinics of North America, 1975
With careful techniques it is possible to demonstrate three electric potential regions of the inner ear: an intracellular negative potential, a high positive potential in the endolymph that appears bounded at the scala media side of the tectorial membrane rather than at the reticular lamina, and the extracellular spaces, which contain a fluid at near ...
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