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.diegojavierfares.com/quick-offer-JOMEED-31-5-Square-Coffee-Table-Modern-Farmhouse-Living-Room-Furniture-Beige-p9138-amazing-deal/