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
In the pons, there is a structure called the pneumotaxic center. It controls the amount of air breathed and breaths per minute, which is known as the breathing rate. In addition, the pons is involved in the transmission of signals to and from other structures in the brain, such as the cerebrum or the cerebellum.