Is pyrosis also known as heartburn?

Yes, pyrosis is also known as heartburn. Pyrosis is a medical term used to describe a burning sensation or discomfort in the upper abdomen, chest, or throat. It is commonly referred to as heartburn, acid reflux, or gastroesophageal reflux disease (GERD). Pyrosis occurs when the acidic contents of the stomach flow back into the esophagus, causing irritation and inflammation. It can be a symptom of various conditions, including GERD, hiatal hernia, and certain medications.