From: Non-invasive vagus nerve stimulation for the treatment of acute asthma exacerbations—results from an initial case series
Time
FEV1
VAS
0
7.65
2
50%
3.08
15
38.80%
3.70
30
59.94%
2.73
60
70.91%
1.85
90
72.90%
1.28