Cardialgia is a medical term that refers to the pain or discomfort in the stomach or chest area. Although not usually serious, it can be a symptom of underlying health conditions such as gastroesophageal reflux disease (GERD) or peptic ulcers. When it comes to synonyms for this condition, there are several options. Some of the most common ones include heartburn, indigestion, acid reflux, and chest pain. Other synonyms for cardialgia may include gastric pain, esophageal pain, or dyspepsia. Regardless of the term used, it's important to seek medical attention if you experience persistent or severe pain.