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Table 1 Detection of symptomatic vasospasm (mean flow velocity >120 cm/s) by transcranial doppler ultrasonography compared to clinical examination

From: Clinical review: Prevention and therapy of vasospasm in subarachnoid hemorrhage

Vessel

Sensitivity

Specificity

False negative rate

False positive rate

MCA

64

78

36

22

ICA

80

77

20

23

ACA

45

84

55

16

  1. Values represent percentages with clinical diagnosis used as the standard method for diagnosing symptomatic vasospasm. Adapted from [49]. ACA, anterior cerebral artery; ICA, internal cerebral artery; MCA, middle cerebral artery.
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Critical Care

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