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To determine the implications of dizziness as a symptom in patients with syncope,we analyzed responses to a standardized battery of questions about dizziness in 121 consecutive patients referred for evaluation of syncope. Associations were sought between final diagnosis(dependent variable)and clinical predictor variables.Dizziness was found in 70%of the patients with syncope.Dizzy patients were younger(mean ages,47 vs 56 years, respectively),more often female(75%vs 42%),and more likely to be assigned a psychiatric diagnosis.Multivariable logistic regression analysis identified young age and rotatory dizziness(vertigo)to be associated with a psychiatric diagnosis.Dizziness and syncope frequently coexist and in many cases may represent the same pathophysiologic process.A careful dizziness history may guide the initial evaluation of syncope patients in clinical practice. |
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