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Adv Med Sci. 2013;58(2):326-30. doi: 10.2478/v10039-012-0081-z.

Syncope in children and adolescents living in north-eastern Poland - scope of causes.



To investigate the diagnostic yield of different tests and asses the scope of causes in children referring to the hospital with a syncope in north-eastern Poland.


A review of 386 consecutive patients (age 2-18 years) living in north-eastern Poland presenting to the cardiology department with a new onset syncope (which appeared to be neurally mediated by history) was undertaken. The patients underwent physical examination, laboratory tests, electrocardiography, 24-holter monitoring, head-up tilt-test, exercise test, echocardiography and electroencephalography. All the tests were performed in most of the patients, without ending the diagnostics after finding the first probable cause of loss of consciousness.


229 potential causes of syncope were found in 191 patients (49.4%), with 2 possible causes in 32 patients and 3 potential causes in 3 patients. The top 3 tests with the highest diagnostic yield were: head-up tilt test (41.4%), 24-holter monitoring (14.5%) and echocardiography (8.4%). Electroencephalography was useful in 3 patients (1.5%) and exercise test did not help in any patient.


In some children more than one potential cause of syncope was diagnosed. That might confirm multiple factors' causality of syncope. Head-up tilt-test has the highest diagnostic yield in children with syncope. If the diagnostic protocol is not very strict, one might find some crucial conditions in about 8.3% of patients.

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