Table 2
Variations in Valsalva technique used in clinical studies for the management of supraventricular tachycardia
Reference
Pressure(mm Hg)
Position
Duration (s)
Mehta
et al
4
35
Supine
15 and 30
Lim
et al
7
40
Not defined
30
Wen
et al
10
35
Supine
20