【医学英语】缺铁性贫血(iron deficiency anemia, IDA)
2015-11-07 14:34阅读：
What Is Iron Deficiency Anemia?（什么是缺铁性贫血） 
Anemia is a condition in which the body does not have enough
healthy red blood cells. Red blood cells provide oxygen to body
tissues. There are many types of anemia.Iron deficiency anemia
occurs when your body does not hav
e enough iron. Iron helps make red blood cells. 缺铁性贫血(iron
deficiency anemia,
IDA)是由于体内缺少铁质而影响血红蛋白合成所引起的一种常见贫血，在红细胞的产生受到限制之前，体内的铁贮存已耗尽，此时称为缺铁。这种贫血特点是骨髓，肝、脾及其他组织中缺乏可染色铁，血清铁浓度和血清转铁蛋白饱和度均降低，典型病例贫血是属于小细胞低色素型。本病是贫血中常见类型，普遍存在于世界各地.
Iron deficiency anemia develops when your body's iron stores run
low. This can occur because（缺铁性贫血的原因）：
You may not get enough iron in your diet.铁的需要量增加而摄入不足The body may
not absorb enough iron in your diet. Your body does not do a good
job of absorbing iron.铁的吸收不良Bleeding can cause iron
loss是失血过多等，均会影响血红蛋白和红细胞生存而发生贫血。You lose more blood cells and iron
than your body can replaceYour body is able to absorb iron, but
you are not eating enough foods that contain ironYour body needs
more iron than normal (such as if you are pregnant or
breastfeeding)Symptoms症状 You may have no symptoms if the anemia is
mild.
Most of the time, symptoms are mild at first and develop slowly.
Symptoms may include:Feeling grumpy脾气暴躁Feeling weak or tired more
often than usual, or with exercise疲倦Headaches头痛 Problems
concentrating or thinking
As the anemia gets worse, symptoms may include:Blue color to the
whites of the eyesBrittle nails脆指甲Desire to eat ice or other
non-food things (pica)Feeling lightheaded when you stand upPale
skin color面色萎黄或苍白Shortness of breath呼吸急促Sore tongue舌痛
体征
久病者可有指甲皱缩，不光滑，反甲，皮肤黏膜苍白，皮肤干枯，毛发干燥脱落，心动过速，心脏强烈搏动，心尖部或肺动瓣区可听到收缩期杂音，出现严重贫血可导致充血性心力衰竭，也可发生浮肿，约10%缺铁性贫血患者脾脏轻度肿大，其原因不清楚，患者脾内未发现特殊的病理改变，在缺铁纠正后可消失，少数严重贫血患者可见视网膜出血及渗出
来源：网络编辑：十字军西征
保健品不明，就选觉厉！
觉厉品质-苏宁易购.海外购平台期待您的光临！
点击图片，浏览店铺
觉厉品质来自美国的药膳专家微信公众号二维码
