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 is specifically found in the myocardium of the heart, and it is a striated and involuntary muscle. Cardiac muscle is composed of cardiac muscle cells, which are called cardiomyocytes, which have one, two, or rarely three or four nuclei. Skeletal muscles are found in almost all part of the animal body while the cardiac muscles are found only in the myocardium of the heart. â¢ Skeletal muscle cell is linear and longitudinal while the cardiac muscle cell is branched.