Ventricular tachycardia. Ventricular tachycardia (V-tach or VT) is a type of regular and fast heart rate that arises from improper electrical activity in the ventricles of the heart. Although a few seconds may not result in problems, longer periods are dangerous. Short periods may occur without symptoms or present with lightheadedness, palpitations, or chest pain.
The midbrain tegmentum contains thousands of neurons that are responsible for a variety of many functions, two of which include the control of movement and sensory systems. See also
The brain stem controls the bodyâs blood pressure, heart rate, basic reflexes, arm and leg movements, and digestion.Within the brain stem are the pons, medulla, thalamus, and midbrain. Each of these have a designated task when it comes to the processing and sending out of information to the brain.