Intermittent parasystole with disturbance in impulse formation and impulse conduction.
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Arrhythmias, Cardiac↗
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Results for “Impulsivity”
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[WIRELESS CARDIAC IMPULSE FREQUENCY MEASUREMENT IN CHILDHOOD. THE DAILY COURSE IN AN INFANT IN THE CARDIAC IMPULSE FREQUENCY REGISTER].
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Electrocardiography↗
[CHEMICAL IMPULSE TRANSMISSION IN THE IMPULSE AND INHIBITION PROCESSES OF THE CENTRAL NERVOUS SYSTEM].
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Brain↗
[Testing the spontaneous impulse activity of an impulse evoked by the synaptic route].
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Action Potentials↗
[The effects of dorsal median hypothalamus efferent impulses and median nervous afferent impulses on the left ventricular transmural blood flow].
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Animals↗
[Change in impulse formation and impulse transmission of the heart in relation to high magnesium concentration].
The effects of magnesium ions on the cardiac conduction velocity and on the refractory periods of the single parts of Langendorff perfused guinea pig hearts were studied using a high amplifying ECG recording and a special stimulation technique. Concentrations of 2.3 mM or 3.45 mM Mg++ had only little inhibitory effects on the cardiac conduction velocity and on the sinus node activity. The elevation of the magnesium ion concentration to 4.6 mM caused a reduction of the spontaneous sinus rate and a prolongation of the AV nodal and His bundle conduction time. During stimulation with stepwise increasing pacing rate, a marked prolongation of the refractoriness of the His bundle conduction and of the ventricular myocardium was detectable. This frequency dependent inhibitory influence on the His bundle and the ventricular myocardium could be an explanation for the antiarrhythmic efficacy of magnesium ions during ventricular tachyarrhythmias.
Animals↗
[Perception of sequences made up of [a]-impulses and [i]-impulses. I. Effect of the sequential structure].
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Humans↗
[Effect of impulse local vibration with different time distribution of impulses on the body].
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Adult↗
[Electrophysiology of impulse forming and impulse conducting tissues].
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Action Potentials↗
[A study of the frequency distribution of natural impulses in a mixed nerve trunk by the method of meeting impulses].
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Animals↗
Vectorelectromyographic investigations of the impulses from separate motor units. II. Vectorelectromyographic shape of the impulses from separate motor units upon leading off in transverse lines and in longitudinal and transverse planes.
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Adult↗
[The effect of noise impulses on the organism as a function of the frequency of sequence and duration of impulse].
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Auditory Perception↗
[Normal and pathological anatomy of the impulse forming and impulse conducting tissues].
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Adolescent↗
[Impulse propagation in a model of a non-uniform nerve fiber. 3. Interaction of impulses in the area of a branching node of a nerve fiber].
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Mathematics↗
[Theoretical analysis of the mechanisms of nerve impulse conduction along a non-uniform axon. II. Conduction of a single impulse through a fiber region with variable functional properties].
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Action Potentials↗
[A method fo obtaining histograms of the number of impulses in groups (bursts) during analysis of the impulse activity of neurons].
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Electrophysiology↗
[Attachment to an impulse stimulator for producing impulses with linearly increasing amplitude].
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Electric Stimulation↗
[Theoretical analysis of the mechanisms of nerve impulse propagation along a nonuniform axon. IV. Propagation of series of impulses through the fiber region with enlarged diameter].
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Action Potentials↗