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 medulla oblongata is the most rostral part of the brain. The forebrain consists of the cerebrum and the diencephalon. Structures in the midbrain control homeostasis and relay sensory signals to specific regions of the cerebral cortex.