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 midbrain is divided into two parts: the sensory component, the tectum (meaning roof) and the motor structure, the tegmentum (meaning floor). The tectum receives a massive amount of sensory information from the eyes and ears.he midbrain is divided into two parts: the sensory component, the tectum (meaning roof) and the motor structure, the tegmentum (meaning floor). The tectum receives a massive amount of sensory information from the eyes and ears.