Hiv Causes A virus is the cause of HIV. Sexual contact, sharing needles for illegal drugs or injections, coming into touch with contaminated blood, or transmission from mother to child during pregnancy, delivery, or nursing are all ways HIV might spread.( Hiv Causes ) WBC called CD4 T cells, which are important to your body's ability to fight with infection, and they are destroyed by HIV virus. Your immune system gets weaker when you have less CD4 T cells in your body. hiv How does HIV become AIDS? Before ENTERING into AIDS, an HIV infection can remain for many years with less to no any symptoms. When the CD4 T cell count drops down to 200 or you get an AIDS-defining complication, such as a severe type of infection or malignancy, AIDS is diagnosed. How HIV spreads ( Hiv Causes) To get infected with HIV,get infected blood, semen or vaginal secretions must enter your body. This can happen in many ways: By having sex. To become infected with HIV, contaminated blood, semen or vag
Left coronary artery left coronary artery The left side of the heart muscle is supplied with blood through the left coronary artery (the left ventricle and left atrium). The branches of the left major coronary: Blood is supplied to the front of the left side of the heart via the left anterior descending artery, which arises from the left coronary artery. Origin and course The root of the ascending aorta's left side is where the left coronary artery leaves the body. Its entrance is located directly before the left semilunar cusp of the aortic valve on the dilated wall of the ascending aorta. The aortic sinus is formed by the gap that exists between the left semilunar aortic cusp and the dilated wall at the beginning of the ascending aorta. The left coronary artery leaves its origin and passes through the subepicardial adipose tissue between the left auricle and the left pulmonary trunk. It infrequently has the sinuatrial nodal artery but normally does not provide branches in this re