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:
Who Needs an Implantable Device? An implantable device may be appropriate for your heart condition if: Your heart beats too slowly and is often irregular; Your heart beats normally but is sometimes too fast or too slow; Types of Implantable Devices. Your UNC Medical Center doctor may suggest one of these three types of implantable devices to treat your heart condition: Pacemaker â Helps maintain heart rate when itâs too slow by delivering small electrical impulses to the heart; single-chamber pacemakers connect to one chamber in the right side of the heart, while dual-chamber pacemakers connect both the upper and lower right chambers