Abstract Background The valsalva manoeuvre is an internationally recommended initial treatment for supraventricular tachycardia (SVT). The pre-hospital use of a valsalva assist device. to help deliver this manoeuvre. could improve cardioversion rates and reduce the need for patients to attend hospital. https://www.roneverhart.com/MSI-Vector-GP68HX-12VH-012CA-16-FHD-Gaming-Laptop-Intel-Core-i9-12900HX-2-30-GHz-32GB-DDR5-1TB-SSD-GeForce-RTX-4080-W/