Ukulele Festival Hawaii. This annual Waikiki festival honors Hawaii's beloved musical instrument. Photo: Tina Mahina. Photo: Tina Mahina. The ukulele is Hawaiiâs best-loved musical instrument, so it makes sense that Ukulele Festival Hawaii is the worldâs largest, attracting enthusiasts from as far away as Italy and Thailand.
atrioventricular (AV) valve, a valve in the heart through which blood flows from the atria to the ventricles. The valve between the left atrium and left ventricle is the mitral (bicuspid) valve; the right AV valve is the tricuspid valve. 1  Facebook. 2  Twitter.
An arteriovenous malformation (AVM) is a group of blood vessels that are abnormally interconnected with one another. AVMs can occur in different organs of the body, but brain AVMs are the most problematic. Another term for AVM is arteriovenous fistula.. To understand why brain AVMs are dangerous it is important to first understand the way that normal blood vessels are connected with one another: