DIAGNOSIS AND CLASSIFICATION Anemia is an absolute decrease in hematocrit , hemoglobin concentration, or the RBC count. Anemia is not a diagnosis, but a sign of underlying disease

Factors cause diseases： chemicals physical biological psychological chemicals：occupational, non-occupational. physical：occupational, non-occupational

Bone marrow hematopoiesis failure led by chemicals, radiation, biological factors and unknown etiology. The common clinical presentation is mild to severe pancytopenia

上海中医药大学：《西医内科学》课程教学资源（PPT课件讲稿）原发性支气管肺癌

毒性弥漫性甲状腺肿 Graves病 GD

上海中医药大学：《西医内科学》课程教学资源（PPT课件讲稿）肝癌、胃癌

上海中医药大学：《西医内科学》课程教学资源（PPT课件讲稿）再生障碍性贫血（AA）

上海中医药大学：《西医内科学》课程教学资源（PPT课件讲稿）高血压hypertension、病毒性心肌炎

复旦大学附属中山医院：《内科学》课程教学资源（PPT讲稿）严萍萍－主动脉瓣狭窄 aortic stenosis

复旦大学附属中山医院：《内科学》课程教学资源（PPT讲稿）于明香 - 甲亢 Hyperthyroidism