Parasympathetic (vagal) nerves leave the vagal nuclei within the medulla as preganglionic efferent vagal fibers. These preganglionic efferent fibers are relatively long and do not synapse until they reach their target organ (e.g., the heart).
medical Definition of isovolumetric : of, relating to, or characterized by unchanging volume; especially: relating to or being an early phase of ventricular systole in which the cardiac muscle exerts increasing pressure on the contents of the ventricle without significant change in the muscle fiber length and the ventricular volume remains constant
It is desirable that solutions of radiopaque diagnostic agents for intravascular use be at body temperature when injected. Sterile techniques must be used with any intravascular injection. The transferring of Isovue from the Isovue Imaging Bulk Package container should be performed utilizing aseptic technique.