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
tegmentum of mesencephalon. 3. the dorsal part of each cerebral peduncle. tegmentum of mesencephalon the dorsal part of the mesencephalon, formed by continuation of the dorsal parts of the cerebral peduncles across the median plane, and extending on each side from the substantia nigra to the level of the mesencephalic aqueduct. tegmentum