Aaron's sign is a

referred pain Referred pain, also called reflective pain, is pain perceived at a location other than the site of the painful stimulus. An example is the case of angina pectoris brought on by a myocardial infarction (heart attack), where pain is often felt in t ...

felt in the

epigastrium In anatomy, the epigastrium (or epigastric region) is the upper central region of the abdomen. It is located between the costal margins and the subcostal plane. Pain may be referred to the epigastrium from damage to structures derived from the fo ...

upon continuous firm pressure over

McBurney's point McBurney's point is the name given to the point over the right side of the abdomen that is one-third of the distance from the anterior superior iliac spine to the umbilicus (navel). This is near the most common location of the appendix. Locatio ...

. It is one of the best known signs of appendicitis, although it is rarely referred to by its name. While the sign is well known, and taught in medical education, its efficacy has not been well established Aaron's sign is named for Charles Dettie Aaron, an American

gastroenterologist Gastroenterology (from the Greek gastḗr- “belly”, -énteron “intestine”, and -logía "study of") is the branch of medicine focused on the digestive system and its disorders. The digestive system consists of the gastrointestinal tract, ...

.Who Named It?
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References

Medical signs {{med-sign-stub