The short term events predictors included:
  • abnormal ECG (OR>>2)
  • trauma
  • absence of symptoms preceding syncope (low quality evidence)
  • male gender (borderline significant – low).
Not significant were age over 65 years, heart failure; structural heart disease and COPD.
The longer term events predictors included:
  • age above 65 years
  • neoplasms
  • cerebrovascular disease
  • and ventricular arrhythmias (borderline significant) as low quality evidence.
Not significant were: hypertension, heart failure, COPD and abnormal ECG at presentation.

From: 3, Initial assessment and diagnosis of people who had TLoC

Cover of Transient Loss of Consciousness (‘Blackouts’) Management in Adults and Young People
Transient Loss of Consciousness (‘Blackouts’) Management in Adults and Young People [Internet].
NICE Clinical Guidelines, No. 109.
National Clinical Guideline Centre for Acute and Chronic Conditions (UK).
Copyright © National Clinical Guideline Centre for Acute and Chronic Conditions, 2010.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.