患者女,68岁,胃区规律性疼痛伴返酸嗳气1年,近2日胃区疼痛加重。入院当日晨5时排柏油样便500ml,继而呕血2次,共约250ml。一般状态好,无明显消瘦或贫血。心肺无异常改变。腹部平坦、软、剑突下有轻度压痛,肝脾未扪及,亦未扪及包块,腹水征(一),肠音正常。血常规 The patient female, 68 years old, had regular pain in the stomach area with reflux acid reflux for 1 year, and pain in the stomach area worsened in the past 2 days. At 5 o’clock in the morning on the day of admission, 500 ml of tarry stools were collected, followed by hematemesis 2 times, totaling about 250 ml. The general condition is good, no obvious weight loss or anemia. No abnormal changes in heart and lung. The abdomen was flat, soft, and there was mild tenderness under the xiphoid process. The liver and spleen were not palpable. There was no palpable mass. The ascites sign (1) showed normal intestinal sounds. Blood routine