Motifs

Numbers (n)

Frequency (%)

Headache

162

81.0

Dizziness

149

74.0

Brief loss of consciousness

64

32.0

Back pain

64

32.0

Neurologic deficit

54

27.0

Memory loss

22

11.0

Epistaxis

22

11.0

Agitation

19

9.5

Vomiting

4

2.0