All parts of the system are implanted beneath the skin. The stimulation can be increased or decreased as needed. By adjusting the stimulation, each person can receive the most desirable amount of tremor control with the fewest side effects. The therapy is reversible because the system can be turned off or removed. Side effects are generally mild and can normally be controlled by adjusting the stimulation.
Some people experience a tingling sensation called paresthesia.
Others may occasionally feel some dizziness or have some slurring of speech. More about How your heart works .