安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Anemia - Symptoms and causes - Mayo Clinic
Symptoms Anemia symptoms depend on the cause and how bad the anemia is Anemia can be so mild that it causes no symptoms at first But symptoms usually then occur and get worse as the anemia gets worse If another disease causes the anemia, the disease can mask the anemia symptoms Then a test for another condition might find the anemia
- Iron deficiency anemia - Symptoms causes - Mayo Clinic
Iron deficiency anemia is a common type of anemia Anemia is a condition in which the blood doesn't have enough healthy red blood cells Red blood cells carry oxygen to the body's tissues Not getting enough iron can cause iron deficiency So can losing blood from having periods or bleeding inside the body Without iron, the body can't make enough of the part of red blood cells that lets them
- Aplastic anemia - Symptoms causes - Mayo Clinic
Aplastic anemia is a condition that happens when your bone marrow stops making enough new blood cells The condition leaves you tired and more prone to infections and uncontrolled bleeding
- Sickle cell anemia - Symptoms causes - Mayo Clinic
Causes Sickle cell anemia is caused by a change in the gene that tells the body to make hemoglobin Hemoglobin is the iron-rich compound in red blood cells that allows these cells to carry oxygen from the lungs to the rest of the body The hemoglobin associated with sickle cell anemia causes red blood cells to become rigid, sticky and misshapen
- Myelodysplastic syndromes - Symptoms and causes - Mayo Clinic
People with myelodysplastic syndromes might not experience signs and symptoms at first In time, myelodysplastic syndromes might cause: Fatigue Shortness of breath Unusual paleness (pallor), which occurs due to a low red blood cell count (anemia) Easy or unusual bruising or bleeding, which occurs due to a low blood platelet count (thrombocytopenia) Pinpoint-sized red spots just beneath the
- Macrocytosis: What causes it? - Mayo Clinic
A side effect of certain medicines, such as those used to treat cancer, seizures and conditions in which the body attacks its own cells, called autoimmune hemolytic anemia The spongy tissue inside the bones, called bone marrow, making more red blood cells called reticulocytes to correct anemia This might happen after blood loss
- Low hemoglobin count - Mayo Clinic
In children, the definition varies with age and sex These thresholds may differ slightly from one medical practice to another In many cases, a low hemoglobin count that's only slightly lower than normal doesn't affect how you feel A low hemoglobin count that's more severe and causes symptoms might mean you have anemia
- Vitamin deficiency anemia - Symptoms causes - Mayo Clinic
Vitamin deficiency anemia is having too few healthy red blood cells It happens when the body has too little vitamin B-12 and folate Not eating enough foods that have vitamin B-12 and folate can cause vitamin deficiency anemia Or the body might have trouble taking in and using these vitamins Without these nutrients, the body makes red blood cells that are too large and don't work well So
|
|
|