Studying to be a surgical nurse? Then here is a nursing how-to video that teaches you how to prepare for a bovine aortic valve insertion. Every cardiac surgical nurse should know the basics of this technique, follow along and see how to get ready for a bovine aortic valve insertion. These medical tips are sure to help you pass your nursing exam with flying colors. Not that a bovine aortic valve insertion is also known as an AVR. The procedure involves measuring size of aortic opening for bovine valve. Rinsing valve. Suturing around aortic site-string of sutures-then suturing bovine valve and placing value in heart. This video shows pericardial pledget used to reinforce the aorta and diseased value in fragments.