Cardiac dysrhythmias associated with central nervous system dysfunction.

C. Keller, A. Williams

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Intracranial pathology is frequently associated with cardiac dysrhythmias, which are sometimes lethal. Stroke, subarachnoid hemorrhage, seizures and head trauma with or without increased intracranial pressure are observed to be accompanied by myocardial damage and by ECG abnormalities, including T-wave changes, shortened P-R interval, prolonged Q-T interval, premature ventricular contractions, ventricular ectopy, sinus bradycardia, ventricular and supraventricular tachycardias. Derangements of autonomic function have been shown to be responsible for these disturbances of rate, rhythm and conduction. The autonomic nervous system receives neural input from various parts of the cerebral cortex, the hypothalamus and the brainstem which are extensively interconnected. Although unequivocal data supporting associations between specific neuropathological conditions or damage to specific structures and the observed dysrhythmias do not exist, some evidence for laterality of function does exist in humans. Tachycardia and pressor responses are more common after stimulation of the right insular cortex and after experimental stimulation of the left vagus which innervates the atrioventricular node and the cardiac conduction system. Bradycardia seems to be more common after stimulation of the left insular cortex or the right vagus nerve which innervate the sinoatrial node.

Original languageEnglish (US)
Pages (from-to)349-355
Number of pages7
JournalThe Journal of neuroscience nursing : journal of the American Association of Neuroscience Nurses
Volume25
Issue number6
StatePublished - Dec 1993

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Cerebral Cortex
Cardiac Arrhythmias
Central Nervous System
Bradycardia
Sinus Tachycardia
Atrioventricular Node
Sinoatrial Node
Supraventricular Tachycardia
Vagus Nerve
Ventricular Premature Complexes
Autonomic Nervous System
Intracranial Pressure
Subarachnoid Hemorrhage
Ventricular Tachycardia
Craniocerebral Trauma
Tachycardia
Hypothalamus
Brain Stem
Electrocardiography
Seizures

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Cardiac dysrhythmias associated with central nervous system dysfunction. / Keller, C.; Williams, A.

In: The Journal of neuroscience nursing : journal of the American Association of Neuroscience Nurses, Vol. 25, No. 6, 12.1993, p. 349-355.

Research output: Contribution to journalArticle

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