Final answer:
Coffee-brown emesis is an alarming symptom that suggests the presence of digested blood in vomit. Medical attention should be sought if someone is experiencing this symptom.
Step-by-step explanation:
Coffee-brown emesis can be an alarming symptom and often indicates the presence of digested blood in the vomit. This can suggest a gastrointestinal bleeding higher up in the digestive system, such as in the stomach or esophagus. It is important to seek medical attention if someone is experiencing coffee-brown emesis, as it may be indicative of a serious underlying condition.