Stages of HIV Infection. Without treatment, HIV advances in stages, overwhelming your immune system and getting worse over time. The three stages of HIV infection are: (1) acute HIV infection, (2) clinical latency, and (3) AIDS (acquired immunodeficiency syndrome).
A pacemaker is a small, battery-powered device that is implanted into your chest to help regulate your heart rate. You need a pacemaker if your heart beat is too slow or is irregular. Your heart may not be able to pump blood well throughout your body. This can happen because of heart failure, aging, or heart medications. You may have the following signs and symptoms:
Doctors recommend pacemakers for many reasons. The most common reasons are bradycardia and heart block. Bradycardia is a heartbeat that is slower than normal. Heart block is a disorder that occurs if an electrical signal is slowed or disrupted as it moves through the heart.