Diagnostic Approach to Syncope in Pediatric Patients

Risk Assessment and Initial Considerations

The American College of Radiology recommends against routine CT head scans for syncope without trauma or neurological deficits, as they have a low diagnostic yield of 5-6.4% 2
Initial studies such as EKG, CXR, CT head, CBC, and CMP are appropriate for baseline evaluation, but targeted additional testing based on clinical presentation will yield better diagnostic results 1

Tilt-table testing is recommended as a first evaluation step in young patients with recurrent syncope without suspicion of heart or neurological disease 1
Prolonged ECG monitoring should be considered if symptoms are recurrent but infrequent 1
Exercise stress testing is strongly recommended if the syncope occurred during or after physical exertion 1
Echocardiography should be performed to evaluate for structural heart disease if syncope occurred during exercise 1
Echocardiography should be performed if there are abnormal cardiac examination findings, abnormal ECG, or family history of sudden cardiac death 1

Psychiatric assessment is recommended in patients with frequent recurrent syncope who have multiple other somatic complaints, as suggested by the European Heart Journal 3, 1
Neurological consultation should be considered if there are focal neurological findings or if seizure activity is suspected 1
Cardiology consultation is warranted if there are abnormal ECG findings, family history of sudden cardiac death, or syncope during exertion 1

Brain imaging studies such as CT or MRI should not be ordered routinely without specific neurological indications 1
Comprehensive laboratory testing should not be performed without clinical indication, as it increases cost without improving diagnostic yield 2, 1