隐蔽性消化道出血,提出了二个问题:第一,由于慢性血液损失引起的缺铁性贫血;第二,不明原因的上消化道大量出血。慢性失血性贫血根据目前营养吸收研究结果,原发的铁吸收不良极其少见,可以说,大多数的男性和许多女性的铁缺乏,多由于慢性出血。消化道是一个较容易出血的地方,怎样来证实出血是来自消化道?有什么方法可以帮助在那 Concealed gastrointestinal bleeding, raised two questions: First, due to chronic blood loss caused by iron deficiency anemia; second, unexplained upper gastrointestinal bleeding. Chronic Hemorrhagic Anemia According to the results of the current study on nutrient absorption, primary iron malabsorption is extremely rare. It can be said that most men and many women have iron deficiency due to chronic hemorrhage. Gastrointestinal tract is a more prone to bleeding, how to prove that bleeding is from the digestive tract? Is there any way to help in that