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

Definition：A group of neoplastic diseases of lymphoid tissues Classification： Hodgkin′s Disease, HD (Hodgkin′s Lymphoma) Non Hodgkin ′s Lymphoma,NHL) General considerations

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

RF negtive low back pain and stiffness other joints enthesitis familial aggregation

Concept of leukemia Definition It is the results of the tumor proliferation of heamotopoietic stem cells.（造血干细胞） Leukemia is a malignant blood disorder. (not solid tumor)

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

Chapter three Chronic Obstructive Pulmonary Diseases (COPD) Chronic Bronchitis Obstructive Pulmonary Emphysema

Cardiovascular disease Cerebrovascular diseases Lower respiratory infections Diarrhea Perinatal disease COPD Tuberculosis Morbilli

Type 1 (beta-cell destruction, usually leading to absolute insulin deficiency) Autoimmune Idiopathic Type 2 – (may range from predominantly insulin resistance with relative

Key Words Respiratory failure Acute respiratory distress syndrome(ARDS) dyspnea Hypoxemia hypercapnia Respiratory Support