Table 1 Patients’ clinical and radiological characteristics
Pat. no. | Symptoms | Episodes (duration) | Localization fSAH | Delay last episode to CT/MRI | CT positive | MRI | EEG | ||
|---|---|---|---|---|---|---|---|---|---|
fSAH positive | SS | MB | |||||||
1 | Left-sided sensory deficits | >1 (5–15 min) | Right precentral | <24 h / <24 h | Yes | FLAIR, FFE, T1w+/-Gd | None | None | Normal |
2 | Aphasia, numbness (right upper extremity) | 2 (10–30 min) | Left precentral | <24 h / <24 h | Yes | FLAIR, FFE,DWI, T1w+/-Gd | Bilateral frontoparietal | None | Theta patterns left occipital |
3 | Aphasia, psychomotor deficits, spreading hypaesthesia (right hand) | >1 (10–30 min) | Left central | <24 h / <48 h | Yes | FLAIR,FFE, T1w+/-Gd | Front partial & pontine | 12 | Alpha pattern (8/s) delta decelerations left parietotemporal |
4 | Left-sided paraesthesia | >1 (5–10 min) | Right central | 2d /5d | Yes | FLAIR,FFE, T2w,T1w | Bilateral frontal | 18 | Normal |
5 | Vertigo, fluctuating left-sided sensomotory deficit | 4 (10-30 min) | Right central | <24 h / <48 h | Yes | FLAIR,FFE, T2w,DWI, T1w+/-Gd | None | >20 | n.a. |
6 | Acute cognitive deficits, mild right-sided hypaesthesia | >1 (5–10 min) | Left precentral | <24 h / <48 h | Yes | FLAIR,FFE, T2w,T1w + Gd | Bilateral frontoparietal | >30 | Slowed baseline activity, intermittent generalized decelerations |
7 | Hypaesthesia (left face/hand) | 3 (5 min) | Right central | <24 h / <24 h | Yes | FLAIR,FFE, T2w,DWI, T1w+/-Gd | Bilateral frontoparietal & temporal | None | Normal |