Fig. 1From: Evaluation of pre-hospital use of a valsalva assist device in the emergency treatment of supraventricular tachycardia [EVADE]: a randomised controlled feasibility trialConsort diagram. SWASFT South Western Ambulance Service NHS Foundation Trust, ePCR Electronic patient record, SVT supraventricular tachycardia, VM valsalva manoeuvre, VAD valsalva assist device. *Proportion of reasons extrapolated from a detailed review of one month’s attendancesBack to article page