What are the signs of appendicitis?

In fact, many people may suffer from appendicitis, so when the body shows these abnormal symptoms, you must pay attention to it, especially sudden abdominal pain, nausea and vomiting, and fever. These situations must be taken seriously, especially acute appendicitis attacks are relatively rapid, so you must also pay attention to correct prevention and scientific diet in daily life.

1. Abdominal pain: Typical acute appendicitis begins with pain in the upper and middle abdomen or around the umbilicus. After a few hours, the abdominal pain shifts and becomes fixed in the right lower abdomen. In the early stage, it is a visceral nerve reflex pain, so the pain in the upper and middle abdomen and around the umbilicus is diffuse and often cannot be accurately located. When the inflammation spreads to the serosa and parietal peritoneum, the pain is fixed in the right lower abdomen because the latter are innervated by receptor nerves, are sensitive to pain and have precise localization. The original pain in the upper abdomen or around the umbilicus is alleviated or disappears. Therefore, the absence of a typical history of migratory right lower quadrant pain does not exclude acute appendicitis.

2. Nausea and vomiting: Nausea and vomiting occur due to reflex gastric spasm. Complications of peritonitis and intestinal paralysis can cause abdominal distension and persistent vomiting.

3. Pressure pain and rebound pain. The most obvious pain during an attack is pressure pain and rebound pain. There is obvious pressing pain in the right lower abdomen, and the pain is more obvious when raising the hand.

4. The fever starts out as a low-grade fever, with the temperature between 37 and 38 degrees. As the condition and infection worsen, the fever rises to above 38 degrees.

5. Severe board-like abdominal pain occurs when the abdominal muscles are tense. This sign will appear when the appendix becomes purulent, and the abdominal muscle tension will be particularly obvious when gangrene perforation is complicated by peritonitis. However, the abdominal muscles of elderly or obese patients are weaker, so the contralateral abdominal muscles must be checked at the same time for comparison to determine whether there is abdominal tension.

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