Final answer:
Referred pain is the term used to describe pain that a patient feels in a body part or area of the body that has nothing to do with a diseased organ. It occurs when particularly strong visceral sensations rise to the level of conscious perception and are felt in unexpected places.
Step-by-step explanation:
Referred pain is the term used to describe pain that a patient feels in a body part or area of the body that has nothing to do with a diseased organ. It occurs when particularly strong visceral sensations rise to the level of conscious perception and are felt in unexpected places. For example, strong visceral sensations of the heart may be felt as pain in the left shoulder and left arm. The location of referred pain is not random, but a definitive explanation of the mechanism has not been established.