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In some cases, a drug can cause the immune system to mistakenly think the body's own red blood cells are dangerous, foreign substances. Antibodies then develop against the red blood cells. The antibodies attach to red blood cells and cause them to break down too early. It is known that more than 150 drugs can cause this type of hemolytic anemia ...
A hemoglobin test measures the amount of hemoglobin in your blood. If a hemoglobin tests shows that a person's levels are below normal, it means they have a low red blood cell count, which is known as anemia. If the test shows higher levels than normal, it means they have hemoglobinemia. [citation needed] The normal range for hemoglobin is:
Sulfadimethoxine (or sulphadimethoxine, trade names Di-Methox or Albon) is a long-lasting sulfonamide antimicrobial medication used in veterinary medicine. It is used to treat many infections, including respiratory, urinary tract, enteric, and soft tissue infections [3] and can be given as a standalone or combined with ormetoprim to broaden the target range. [2]
[44] [45] [46] Free hemoglobin can bind to haptoglobin, and the complex is cleared from the circulation; thus, a decrease in haptoglobin can support a diagnosis of hemolytic anemia. Alternatively, hemoglobin may oxidize and release the heme group that is able to bind to either albumin or hemopexin.
As a result, an electron from the hemoglobin is transferred to an oxygen molecule, which creates a reactive oxygen species (ROS) that can cause severe cell damage leading to premature cell lysis. [7] Damaged cells are cleared by macrophages in the spleen , where the precipitate and damaged membrane are removed, leading to characteristic " bite ...
When alpha-hemolysis (α-hemolysis) is present, the agar under the colony is light and greenish.Streptococcus pneumoniae and a group of oral streptococci (Streptococcus viridans or viridans streptococci) display alpha-hemolysis.
Methemoglobinemia can be due to certain medications, chemicals, or food or it can be inherited. [2] Substances involved may include benzocaine , nitrites , or dapsone . [ 3 ] The underlying mechanism involves some of the iron in hemoglobin being converted from the ferrous [Fe 2+ ] to the ferric [Fe 3+ ] form. [ 3 ]
The former patient will be left with a functional hemoglobin concentration of 13.5 g/dL and potentially remain asymptomatic while the latter patient with a functional hemoglobin concentration 6.5 g/dL may be severely symptomatic with a methemoglobin of less than 20%. [9] 1–2% Normal; Less than 10% metHb - No symptoms
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