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 Stress: Stress can exacerbate digestive system disorders, which lead to pain on the right side of the chest. 2  Some key stressors are work, school or family and relationship problems. 3  Muscle Pulls: Pulls of the muscles or ligaments in the chest and injuries to the ribcage may lead to right side chest pain.
As a result of the pain in the right side of the chest you may experience other symptoms. These symptoms typically resolve themselves once you relieve the chest pain and the underlying medical conditions that caused it. A burning sensation in the chest and under the breastbone.