Chest pain is not a symptom you should ever ignore, for obvious reasons. Chest pain, as almost anyone knows, may indicate a cardiac problem. For this reason alone, if you have chest pain you should be evaluated by a doctor.
Definition of cardiac muscle. : the principal involuntary-muscle tissue of the vertebrate heart made up of striated fibers joined at usually branched ends and functioning in synchronized rhythmic contraction.
Cardiac muscle. Definition. noun, plural: cardiac muscles. (1) The heart muscle of the vertebrates. (2) myocardium. Supplement. The muscles of the vertebrates can be classified into three major types: (1) skeletal muscle, (2) smooth muscle, and (3) cardiac muscle.he skeletal muscle is the muscle attached to the skeleton and is responsible for the voluntary movement of the skeletal system. The smooth muscle is the type of muscle found in the viscera as well as blood vessels of the vertebrates. The cardiac muscle is the muscle of the heart.