Table 7. Number of Imaging Test Ordered (Echocardiogram, Carotid Ultrasound, and Cranial Computed Tomography) and Its Influence on Discharge Diagnosis.

Number of imaging test ordered	Syncope	Vasovagal syncope	Neurocardiogenic syncope	Syncope with seizure	Syncope vs. seizure	Total
0	8 (8.2569)	0 (0.3303)	0 (0.1651)	0 (0.1651)	1 (0.0826)	9
1	23 (24.770)	2 (0.9908)	1 (0.4954)	1 (0.4954)	0(0.2477)	27
2	43 (42.2018)	2 (1.6881)	0 (0.8440)	1 (0.8440)	0 (0.4220)	46
3	26 (24.7706)	0 (0.9908)	1 (0.4954)	0 (0.4954)	0 (0.2477)	27
Total	100	4	2	2	1	109

Chi-square P value = 0.1507; nominal logistic regression P value = 0.782.