 The symptoms of AML are caused by replacement of normal bone marrow with leukemic cells , which causes a drop in red blood cells , platelets , and normal white blood cells . These symptoms include fatigue , shortness of breath , easy bruising and bleeding , and increased risk of infection . Several risk factors and chromosomal abnormalities have been identified , but the specific cause is not clear . As an acute leukemia , AML progresses rapidly and is typically fatal within weeks or months if left untreated . 
 The symptoms of AML are caused by replacement of normal bone marrow with leukemic cells , which <a href='uninflect' title='1'><mark>causes</mark></a> a drop in red blood cells , platelets , and normal white blood cells . These symptoms include fatigue , shortness of breath , easy bruising and bleeding , and increased risk of infection . Several risk factors and chromosomal abnormalities <a href='been_done' title='2'><mark>have</mark></a> been identified , but the specific cause <a href='negative_concord' title='3'><mark>is</mark></a> <a href='negative_concord' title='4'><mark>not</mark></a>clear . As an acute leukemia , AML <a href='uninflect' title='5'><mark>progresses</mark></a> rapidly and <a href='drop_aux' title='6'><mark>is</mark></a>typically fatal within weeks or months if left untreated . 
The symptoms of AML are caused by replacement of normal bone marrow with leukemic cells , which cause a drop in red blood cells , platelets , and normal white blood cells . These symptoms include fatigue , shortness of breath , easy bruising and bleedin , and increased risk of infection . Several risk factors and chromosomal abnormalities done been identified , but da specific cus ain't clear . As an acute leukemia , AML progress rapidly and typically fatal within weeks or months if left untreated .