TABLE 2.

The Revert trial – Frequency of adverse events.

Adverse event	Standard VM (n = 214)	Modified VM (n = 214)
Increased heart rate	4	3
Hypotension or light-headedness	3	3
Electrocardiograph captured events	2	3
Other†	0	5
Musculoskeletal pain‡	0	4

Source: Adapted from Appelboam A, Reuben A, Mann C, et al. Postural modification to the standard Valsalva manoeuvre for emergency treatment of supraventricular tachycardias (REVERT): A randomised controlled trial. Lancet. 2015;386(10005):1747–1753. https://doi.org/10.1161/01.CIR.98.24.2716

VM, Valsalva manoeuvre.

^†, Transient headache (n = 2); shortness of breath (n = 1); cyanosis (in different patients; n = 1);

^‡, Transient chest wall pain on straining.