王某,女,53岁。因双膝关节疼痛,每当阴天下雨时加重,反复发作半年。平时常因疼痛而自服消炎痛,服后好转。以往身体健康。查体:一般情况好,血压130/80,心、肺无异常。腹软,肝、脾未触及。四肢关节无红肿、压痛。血白细胞分类计数及心电图检查正常。初步诊断:良性关节痛。口服肠溶阿斯匹林1.0g,每日3次。首次服药后约1 Wang, female, 53 years old. Due to the pain in the knees, whenever the rainy weather heavier, recurrent six months. Normally due to pain and usually indomethacin, after serving improved. In the past, good health. Physical examination: the general situation is good, blood pressure 130/80, heart, lung no abnormalities. Abdominal soft, liver, spleen not touched. Joints without swelling, tenderness. Blood white blood cell count and ECG normal. Initial diagnosis: benign joint pain. Oral enteric-coated aspirin 1.0g, 3 times a day. About 1 after the first dose