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Iron deficiency anemia
Iron deficiency anemia cambridge essay
Iron deficiency anemia cambridge essay
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Iron deficiency anemia is a secondary result of hemorrhagic anemia’s, as well as resulting from inadequate intakes of iron containing foods and impaired iron absorption (Marieb, Hoehn 642). About 20% of women, 50% of pregnant women, and 3% of men do not have a sufficient amount of iron in their body, making it the most common form of anemia (Medicine Plus).In addition, the blood lacks adequate healthy red blood cells, which provide the body energy and a healthy color to the skin. As the name implies, iron deficiency anemia is due to insufficient iron. Iron is vital for all living organisms, because it is essential for multiple metabolic processes, including oxygen transport, DNA synthesis, and electron transport. Without a sufficient amount of iron, the body cannot produce enough hemoglobin, a substance in red blood cells that enables them to carry oxygen. While body loss of iron quantitatively is as important as absorption in terms of maintaining iron equilibrium, it is a more passive process than absorption. Consistent errors in maintaining this equilibrium lead to either iron deficiency or iron overload.
Iron balance is achieved largely by regulation of iron absorption in the proximal small intestine. Iron uptake in the proximal small bowel occurs by 3 separate pathways. Diminished absorption is habitually due to an insufficient intake of dietary iron in an absorbable form. Hemorrhage is the most common cause of excessive loss of body iron; however it can occur with hemoglobinuria from intravascular hemolytic. In addition, the bleeding is from most orifices, before developing a chronic iron deficient anemic, however gastrointestinal bleeding is unrecognized, and excessive menstrual losses may be overlooked (Conrad). In women,...
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...on levels, patients still tend to eat the supplements for long-term. This regulates the iron levels, consequently treating the anemia.
Works Cited
Marieb, Elaine N., and Katja Hoehn. "Chapter 17: Blood." Human Anatomy & Physiology. 8th ed. San Francisco: Pearson Benjamin Cummings, 2010. 642. Print.
MD Conrad, Marcel E. "Iron Deficiency Anemia." (2009). EMedicine. Web. 26 Feb. 2011. .
Lichtin MD, Alan E. "Iron Deficiency Anemia: Anemias Caused by Deficient Erythropoiesis: Merck Manual Professional." Merck & Co., Inc. Is a Global Research-driven Pharmaceutical Products Company. June 2008. Web. 26 Feb. 2011. .
Alleyne M, Horne MK, Miller JL. Individualized treatment for iron-deficiency anemia in adults. Am J Med. 2008;121:943-948.
Read Case 12 The Folic Acid Fortification Decision: Before and After on pages 351-363 of your text. Once you have read the case, you are to address these questions. The word limit per response is 200 words.
In this experiment, we determined the isotonic and hemolytic molar concentrations of non-penetrating moles for sheep red blood cells and measured the absorbance levels from each concentration. The results concluded that as the concentration increased the absorbance reading increased as well. A higher absorbance signifies higher amounts of intact RBCs. The isotonic molar concentration for NaCl and glucose is 0.3 M. The hemolysis molar concentration for NaCl and glucose is 0.05 M. Adding red blood cells to an isotonic solution, there will be no isotonic pressure and no net movement. The isotonic solution leaves the red blood cells intact. RBC contain hemoglobin which absorbs light, hemoglobin falls to the bottom of the tube and no light is absorbed. Determining the isotonic concentration of NaCl and glucose by finding the lowest molar concentration. In contrast to isotonic molar concentration, hemolysis can be determined by finding the
Marieb, E. N., & Hoehn, K. (2013). Human anatomy & physiology (9th ed.). Boston, MA: Pearson.
Vitamin B12 deficiency limits selenium methylation and excretion resulting in higher tissue selenium levels and subsequent toxicity. It occurs in people whose digestive systems do not adequately absorb the vitamin from the foods they eat. Vegetarians who eat eggs and milk products are the most at risk because, on average, they consume less than half the adult vitamin B12 Recommended Dietary Allowance (RDA) while strict vegans (who don't eat any animal products, including meat, eggs, or milk) are at an even greater risk. Vitamin B12 is important since it works with the vitamin folate to make the body’s genetic material and help keep levels of the amino acid homocysteine in check which helps to decrease heart disease risk. It is also essential in the production of red blood cells which carry oxygen through the blood to the body’s tissues. Life Extension gives offers some of selenium supplements. Babies who are born of parents with low selenium and vitamin B12 rich foods are at risk of anaemia.
Marieb, E. N., (2006). Essentials of human anatomy and physiology. San Francisco, CA: Benjamin Cummings.
...levels. Although some patients cannot tolerate B12, there are B12 injection preparations for this purpose.
Hemochromatosis is a disease which makes your body absorb all of the iron in food, instead of regulating iron intake. Hemochromatosis “attacks” the entire body, especially the places where most of the iron normally goes: the bloodstream and liver. Some symptoms of this disease are bone and joint discomfort, liver problems, irregular heartbeat, and an unusual bronzing of the skin. Armand Trousseau first described it in 1865 as Diabetes bronze, due to people with diabetes showing the bronze-skin symptom. It was thought to be quite rare at the time. About “⅓ or ¼ of people of Western European descent have th...
At the time, I was unable to mentally get past the fact that she was refusing blood products to potentially save her life. This was information that I did not know the answer to. I immediately called the doctor to see if there was we could do to help her. The doctor discussed with the patient if she was willing to receive intravenous iron. Intravenous iron has been shown to be helpful for patients in restoring red blood cell and hemoglobin levels. However, the effects are not immediate (Posluszny & Napolitano, 2014). I continued to do more research and found that by educating this patient on her diet as well as safety precautions to take when ambulating were other ways in which I could help this patient recover.
There are many causes of anemia in the body. Some factors include genetics and deficiencies in the diet. Ms. A claims that for the past 10 – 12 years menorrhagia and dysmenorrheal have been a problem for her. Menorrhagia is abnormal and heavy menstrual bleeding during menstruation (Mayoclinic, 2013). Menorrhagia can deplete iron levels in the blood and increase the risk of an individual to have iron deficiency anemia. This is the cause of Ms. A’s anemia. Moreover, Ms. A says that she constantly takes aspirin especially in the summer to prevent stiffness in the joints. Aspirin affects and hinders the production of red blood cells (Mayoclinic, 2013). From the description of anemia given above, the lack of red blood cells, leads to low levels of iron and therefore low levels of hemoglobin which in turn affects the transportation of oxygen and thereby causing shortness of breath. Ms. A’s initial complains of shortness of breath and fatigue is the reason why she went to see the physician.
Iron is a mineral that is found the in hemoglobin of the Red Blood Cells. It facilitates in the transport of oxygen all over the body. Without this mineral, oxygen cannot be carried to its full capacity. 1 out of 10 women and small children have iron deficiencies. Lacking iron causes lethargy and a weakened immune system. Children who do not have an adequate intake of iron put themselves at risk for intellectual developmental problems. However, an iron deficient person is not necessarily anemic. 7.8 million women are iron deficient, while only 3.3 million women are anemic (http://www.mayohealth.org/mayo/9704/iron_def.htm). When the deficiency becomes so severe that the circulating Red Blood Count and the minerals Ht, Hg, and Hem drop below normal, anemia occurs (See Figure 1). The hormone androgen causes men and women to have different normal values of the hemogram (http://www.medstudents.com.br/hemat/hemat4.htm). Low ferritin (iron storage molecule) and high TIBC (tota...
Iron is an essential part of a healthy diet. Iron compounds are employed for medicinal purposes in the treatment of anemia, when the amount of hemoglobin or the number of red blood corpuscles in the blood is lowered.
Hoehn, K. & Marieb, E. N. (2007). Human Anatomy & Physiology, Seventh Ed. San Francisco, CA: Pearson Education, Inc.
...ver problems. It may also make the person more likely to get infections. Blood transfusions may help control some symptoms. But this could lead to having too much iron, as it stated before. Too much iron could damage the heart, liver, and endocrine system.
I will be investigating Human Blood as my specific tissue and giving an overview on the location, characteristics, and the benefits it has to the human body. Blood is extracellular matrix that is consists of plasma, red blood cells, platelets, and white blood cells. Blood is located within the capillaries/veins/arteries of the human body, which are blood vessels that run through the entire body. These blood vessels allow the blood to flow smoothly and quickly from the heart to distinct parts of the human body. The unique parts of human blood all work together for a purpose: the Red Blood Cells(erythrocytes) transports oxygen throughout the body, White Blood Cells(leukocytes) play a part in the bodies immune system, Platelets(thrombocytes) assist in creating scabs,