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Sinus node suppression in acute strokes--case reports.

T T Bashour1, M S Cohen, C Ryan

  • 1School of Medicine, University of California, San Francisco.

Angiology
|December 1, 1988
PubMed
Summary
This summary is machine-generated.

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Acute strokes can cause severe sinus node suppression, a potentially fatal complication. Early cardiac monitoring and pacing may save lives in stroke patients experiencing this issue.

Area of Science:

  • Neurology
  • Cardiology

Background:

  • Acute strokes, including subarachnoid hemorrhage and vascular occlusion, can lead to various neurological deficits.
  • Cardiac complications following stroke are recognized but the specific impact on sinus node function requires further investigation.

Observation:

  • Five patients developed profound sinus node suppression in the early phase after acute strokes.
  • Four patients were observed for two months in a single hospital setting.
  • Neurological prognosis appeared favorable in at least four patients before the cardiac complication.

Findings:

  • Sinus node suppression led to death in two patients.
  • Electrical cardiac pacing or intravenous atropine successfully managed the condition in the remaining three patients.
  • Vagally mediated sinus node arrest is a potentially fatal stroke complication, possibly more common than previously thought.

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Implications:

  • Continuous cardiac monitoring in the acute phase of stroke is crucial for early detection of sinus node dysfunction.
  • Pacemaker therapy can be lifesaving for stroke patients experiencing severe sinus node suppression.
  • Understanding the link between stroke and sinus node failure highlights the importance of integrated neurological and cardiac care.