Definitions for epiphenomenal. Here are all the possible meanings and translations of the word epiphenomenal. Wiktionary(0.00 / 0 votes)Rate this definition: epiphenomenal(Adjective) Being of secondary consequence to a causal chain of processes, but playing no causal role in the process of interest. epiphenomenal(Adjective) Of or pertaining to a mental process which occurs only as an incidental effect of electrical or chemical activity in the brain or nervous system.
1 Gallbladder Diseases: Gallbladder attacks often manifest as pain in the right side of the chest due to inflammation of the gallbladder, and this may become most noticeable after eating foods that are rich in fat. 2  You may also experience pain if gallstones become lodged in the bile duct.
The gallbladder sits directly underneath the right chest, so when it becomes inflamed, the irritation can cause referred pain upward into the right chest. Heart problems, such as a heart attack, may sometimes cause pain in the right chest, even though the heart is located primarily on the left side of the chest. This is most likely to occur if the right side of the heart is affected. Chest pain is a symptom you should never ignore.