Hepatitis can be caused by: 1  Immune cells in the body attacking the liver. 2  Infections from viruses (such as hepatitis A, hepatitis B, or hepatitis C), bacteria, or parasites.  Liver damage from alcohol or poison.
Mitral valve annuloplasty is a surgical technique for the repair of leaking mitral valves. Due to various factors, the two leaflets normally involved in sealing the mitral valve to retrograde flow may not coapt properly.he goal of mitral valve annuloplasty is to regain mitral valve competence by restoring the physiological form and function of the normal mitral valve apparatus.
An annular disc tear is when the substance of the annulus fibrosus rips or tears, allowing the highly pressurized and nucleus pulposus to escape outward toward the outer third of the disc. + 30 others found this useful.Kerry Donnelly Wisner.t basically means that there is a small herniation (or bulging out) of one of the disks in your spine. L4-L5 is the position of the disk in your spine, and refers to Lumbar â¦ spine disk 4 and 5, aka it is to do with your lower spine.