Search Results - Blood type
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A blood type (also called a blood group) is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells (RBCs). These antigens may be proteins, carbohydrates, glycoproteins, or glycolipids, depending on the blood group system. Some of these antigens are also present on the surface of other types of cells of various tissues. Several of these red blood cell surface antigens that stem from one allele (or very closely linked genes), collectively form a blood group system. [1] Blood types are inherited and represent contributions from both parents. A total of 30 human blood group systems are now recognized by the International Society of Blood Transfusion (ISBT). [2]Many pregnant women carry a fetus with a different blood type from their own, and the mother can form antibodies against fetal RBCs. Sometimes these maternal antibodies are IgG, a small immunoglobulin, which can cross the placenta and cause hemolysis of fetal RBCs, which in turn can lead to hemolytic disease of the newborn, an illness of low fetal blood counts which ranges from mild to severe.[3] If an individual is exposed to a blood group antigen that is not recognized as self, the immune system may produce antibodies that can specifically bind to that particular blood group antigen, and an immunological memory against that antigen is formed. The individual will have become sensitized to that blood group antigen. These antibodies can bind to antigens on the surface of transfused red blood cells (or other tissue cells), often leading to destruction of the cells by recruitment of other components of the immune system. When IgM antibodies bind to the transfused cells, the transfused cells can clump. It is vital that compatible blood is selected for transfusions and that compatible tissue is selected for organ transplantation. Transfusion reactions involving minor antigens or weak antibodies may lead to minor problems. However, more serious incompatibilities can lead to a more vigorous immune response with massive RBC destruction, low blood pressure, and even death. Anti-A and Anti-B, the common IgM antibodies to the RBC surface antigens of the ABO blood group system, are sometimes described as being "naturally occurring"; however, this is a misnomer, because these antibodies are formed in infancy by sensitization in the same way as other antibodies. The theory that explains how these antibodies are developed states that antigens similar to the A and B antigens occur in nature, including in food, plants, and bacteria. After birth an infant's gut becomes colonized with normal flora that express these A-like and B-like antigens, causing the immune system to make antibodies to those antigens that the red blood cells do not possess. People who are blood type A will have Anti-B antibodies, blood type B will have Anti-A antibodies, blood type O will have both Anti-A and Anti-B antibodies, and blood type AB will have neither. Because of these so called "naturally occurring" and expected antibodies, it is important to correctly determine a patient's blood type prior to transfusion of any blood component. These "naturally occurring" antibodies are of the IgM class, which have the capability of agglutinating (clumping) and damaging red blood cells within the blood vessels, possibly leading to death. It is not necessary to determine any other blood groups because almost all other red blood cell antibodies can develop only through active immunization, which can occur only through either previous blood transfusion or pregnancy. A test called the Antibody Screen is always performed on patients who may require red blood cell transfusion, and this test will detect most clinically significant red blood cell antibodies.
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Showing 1 to 25 of 34 Articles matching 'Blood type' in related articles. |
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1. Adenocarcinoma As a Main Type of Lung Cancer
March 17, 2010
Lung cancer is tumor arising from cells lining the airways of the respiratory system. Adenocarcinoma of the lung is one of the major kinds of cancers of lung, accounting for 32% of all cases of the disease. It arises from the secretory cells found in the epithelium lining the bronchi.
The progression of adenocarcinoma is fairly unpredictable. In nearly all cases, adenocarcinoma spreads slowly and leads to very few lung cancer symptoms. But it can also be very invasive, aggressively spreading by way of the body and causing fatality before it can be treated.
Its symptoms may consist of... (read more)
Author: David Smidev
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2. What Is The Difference Between Omega 3 And Omega 6 Fatty Acids?
March 17, 2010
Both omega 3 and 6 fatty acids are essential fats, i.e. both of them are necessary for proper growth and development of body, but the body cannot produce either of them; hence, we have to take them explicitly through the dietary sources. So, what is the difference between omega 3 and omega 6 fats? Which one of them is most needed by the body? Read on to find out.Structurally, the difference between these fats is the position of double bond between carbon-carbon molecules. In 3, bond is present at third location, while in 6, bond is at sixth carbon-carbon molecules.However, in terms of benefits... (read more)
Author: Chuck Blake
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3. Overweight Persons? Good news for you, you can reduce the excess fat quickly
March 15, 2010
More than 85% people in the world are suffering from obesity. Abnormal concentration of fat in the body may leads to physiological as well as psychological troubles. Diabetes mellitus, heart disease, high blood pressure, gall bladder disease and some type of cancers are the major health issues associated with excess fat. If your BMI is above 30 Kg/m2, then you must find out the quickest possible way to burn the fat. Different methods are available to burn the fat in quickest way. Some important tips to quickly burn fat are listed below.
Weight Loss Secret- Fastest Way to lose weight
... (read more)
Author: Ashish Arora
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4. Chromium -- Essential Trace Mineral
March 11, 2010
Trivalent chromium is an essential trace mineral in people. It influences the metabolism of sugar, amino acids and fats. It helps make glucose available for energy and to maintain healthy blood sugar levels.
It improves glucose sensitivity in people with Type I diabetes, type II diabetes, gestational diabetes, steroid-induced diabetes and glucose intolerance.
A study performed in China found that supplementation of 1,000 mcg per day of chromium helped relieve symptoms of type II diabetes. And because it helps stabilize blood sugar levels, it's also effective with hypoglycemia.
... (read more)
Author: Richard Stooker
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5. Are You Bothered that Obesity can Lead to Other Complications? Here are Some Effective Ways to Loos
March 10, 2010
If you are obese, your blood sugars have the tendency to be in high level. This sickness is called hyperglycemia. The rise of sugar level for a long time without control and medication is damaging for your body. There may be no signs of high sugar in your blood, but your doctor will surely check your blood regularly if you are very stout to determine if you have pre-diabetes or type-2 diabetes. In this case, you need to be aware of surefire ways to loose weight fast.
People can live for a long period of time with undetected pre-diabetes or type-2 diabetes. However, during this time, ... (read more)
Author: Ashish Arora
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6. Chinese Tea - The Natural Secret for a Healthier Life
March 10, 2010
Have you tried a cup of delicious Chinese tea? If not, you really should. There are a variety of good health benefits that stem from this particular type of tea. Not only can it help lower your blood pressure, but it can also help you lose weight and look your best. How does this work? It's easy, really. Chinese tea contains ingredients that help boost your body's metabolism. The benefit of this for you is that the faster your metabolism happens to be, the more prone you are to lose weight. This is because your body will process the foods you eat faster and will not retain as much as body fat.... (read more)
Author: Fiona Smithe
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7. Headaches - Common Causes And What To Do
March 07, 2010
One of the most worrying of the minor ills with which this poor humanity is affected is headache. It fastens itself with such persistency that it is nearly impossible to get rid of. Medicines do not always help, and besides it is not well to get into the habit of taking medicine for all ills and at all times.There are a few kinds of headaches, but the most general and off putting is the nervous headache. This type is usually caused by nervous exhaustion, when the frazzelled nerves cease their action upon the arteries which become full of blood, pumped constantly from the heart.This undue dilat... (read more)
Author: eric spencer
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8. Losing Weight and Diabetes-Important Facts
March 05, 2010
Very few people realize the profound effect that weight has on diabetes. Even instances of gestational diabetes are much greater in patients that are overweight than in those that are not. Type 2, or adult onset diabetes is more commonly found in overweight people than those that are within their 'ideal' weight ranges. In fact, almost 90% of those with Type 2 diabetes are overweight. If you are suffering from Type 2 diabetes, the best gift you could possibly give yourself just might be the gift of getting your weight under control.
Among those that suffer from Type 2 diabetes almost 40% ... (read more)
Author: tomer houja
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9. Bowtrol reviews are fast way to learn more about product
March 05, 2010
Our colon is a crucial part in digestion. Toxins and other waste materials are stored here for removal. Sadly poor life-style habits cause fecal material to amass in the gut, inflating the inclination of a clogged colon, which can poison the blood vessels. It is our responsibility to keep our colon in the best fit thru any colon cleaning treatments. Juice diet is a good system, although this type of diet will require fresh vegetables and fruit to make certain those enzymes are preserved and keep in mind that necessary enzymes are generally eliminated when vegetables and fruits are being pr... (read more)
Author: Keith Park
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10. Natural Treatments for neuropathy
March 05, 2010
Diabetes is typically known to cause death through heart diseases. But there are more complications aside from just this. One of which involves neuropathy. However, there are natural treatments for neuropathy. Complications Diabetes causes different complications in the small blood vessel. One of it is retinopathy which impairs the patient’s vision. Another type of damage is called nephropathy which involves kidney failure. Neuropathy, as mentioned, is another complication from such an illness which means that the nerve is damaged along with pain and numbness in either hands or feet. ... (read more)
Author: Angie Ng
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11. What Causes Heart Disease
March 05, 2010
Heart disease is a category of illnesses that affects the regular functionality of the heart that can start from different causes. These diseases cause damage the different muscles and blood vessels connected to the heart and affects its ability to work properly. Since the 1900’s, Heart Disease has been recorded as the leading cause of death in America, England, Wales and Canada. Heart disease is responsible for killing someone every 34 seconds in America and more than 60 million Americans have some form of cardiovascular disfunction. There are a lot of persons who are uninformed about its cau... (read more)
Author: Marcia Mcwhite
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12. What is Cord Blood? A Need to Know!
March 05, 2010
Author: Jan RN, BSN from Ask My RN Website, askmyrn.webs.com Cord blood is the blood that remains in your baby’s umbilical cord after the cord has been cut. Doctors have discovered that cord blood, like bone marrow, is a rich source of unique stem cells that can be used in medical treatments. Stem cells are the body’s “master” cells and can become any type of cell in the human body. The first use of stem cells in medicine was to regenerate healthy blood and immune cells in cancer patients.
In-home care of a newborn or small child who has cord blood banked may be a source of healing an... (read more)
Author: Janet Ewald
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13. The Causes of Diabetes
March 05, 2010
There are many reasons why people develop diabetes they can be infection of the pancreas, weight, stress, in activeness, age, family history, race, high blood pressure, poor nutrition, and gender. Some people can develop diabetes but their blood sugar level may not be high enough to be diagnosed as diabetes. In this case if it is not caught it may turn into type 2 diabetes.Sometimes diabetes can be caused by an infection in the pancreas. When this happens the pancreas will not produce enough insulin and sugar can build up in the blood stream. The sugar then will not move to the cell.Health... (read more)
Author: Moses Kane
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14. Why Go for Imported Canadian Drugs?
March 02, 2010
Convenience, cost and discretion are the major factors that have driven people towards getting most of their medical drugs from online pharmacies. Prescription medicines and non-prescription medications have become a part of our lives, and everyone needs them in their nutrition for one reason or the other. Some depend on prescription or non-prescription brand or generic medications for blood pressure, migraines, pain relief, or any other type of illness. If you live in a remote area or a small town with a small pharmacy, it might be hard to get some prescriptions you need. An affordable and t... (read more)
Author: Nermin Hadzikadunic
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15. Heart Disease Type Symptoms to Watch Out For
March 02, 2010
People sometimes ignore or fail to notice the heart disease type symptoms. They shrug them off, thinking it is nothing. Some of the things that can lead to the development of age-related cardiovascular diseases are asymptomatic. In other words, there is not a single symptom. For example, high blood pressure is sometimes called the silent killer. By the time a symptom appears, it could be a deadly one.
High blood pressure and other vascular changes can lead to a stroke or a heart attack. Over 400,000 people in the US and more than 100,000 in the UK die of coronary heart disease, ea... (read more)
Author: Patsy Hamilton
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16. How to Stop a Panic Attack - Learn how to control this horrible sickness when it happens
March 01, 2010
Panic attacks have now become quite common among people. As a result it has caused many people to live their lives avoiding situations that may frighten them or cause them to feel pressured. Before we go any further, lets find out what a panic attack is. This is a condition of an adrenalin rush that enters the bloodstream that sends the body into a type of "flight or fight" mode. This rush that enters the blood stream sends multiple signals to the adrenal glands that there is an emergency. These adrenal glands are filled with adrenaline that makes the body respond to emergencies and other symp... (read more)
Author: Nicolas Curtis
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17. You and Diabetes
March 01, 2010
Diabetes is a disease affecting thousands of people worldwide. Though it has no sure remedy, it can continue to be directed with the proper treatment. Handling with diabetes starts by knowing the condition. The condition occurs when your form is unable to store glucose. Glucose is the sugar metabolized from the meals you consume. Cells get their supply from glucose. The body gets glucose as it is spread through the blood stream.
The pancreas makes insulin, the hormone your body uses to make glucose. Type one diabetes happens when the pancreas is incapable of producing or makes very lit... (read more)
Author: joshmckinley60@yahoo.com mckinley
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18. Panic Attacks- Find out what they are
March 01, 2010
Panic attack is said to be one of the most common problems faced by people and can be caused by a number of things. It is said to arise from a sudden burst of adrenalin in the blood stream that sends the body in a type of attack mode. Symptoms generally include heart palpitation, chest pains, sweating, dizziness and a feeling that someone is out to get you. There are other symptoms associated with this illness, however these are just the most common among several people.Stress is said to be one of the leading causes of Panic Attack among people. Stress can begin from in the work place, at home... (read more)
Author: Nicolas Curtis
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19. What Weight Loss Program is Right for You?
March 01, 2010
You’ve made the decision to lose weight and you go to Amazon.com and search for “diet plans” and you get 1,468 diet books. Then you go to Google and type in “diet plans” and you get 17,600,000 indexed search results. How do you begin? How do you know if the diet plan you choose is right for you? What criteria should you use to evaluate the various diet plans?
First, let me congratulate you on your decision to lose those extra pounds. You’ve taken the first step to a healthier and happier life. If you’re more than 30lbs overweight or have any pre-existing health condition, such as diabetes... (read more)
Author: Douglas Millington
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20. How To Use Home Blood Monitor
March 01, 2010
In this day and age of rushed lifestyle and huge work stress, every year there is an exponential increase in heart diseases and nearly each thirty something person is afflicted by some type of cardio disease or other. Even these days there is a constantly increasing rate of juvenile heart illnesses contributed by growth and promotion inactive lifestyles coupled with artery blocking junk food. When a person, be it older or a child is diagnosed with some type of heart problems, they are either put on medicine or a harsh diet and are told to continually watch their blood pressure. With consta... (read more)
Author: Felix Leblanc
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21. Just how Exercise Can Help You Cope With Type 2 Diabetes
February 26, 2010
One of the most undemanding and the most workable ways to knock over blood sugar amount, eliminate the dangers of “cardiovascular disease,” and perk up health and welfare in general is exercise.
In spite of that, in today’s inactive world where nearly every indispensable job can be carried out on the web, from the ergonomic chair in front of a personal computer, or with a streaming line of messages from a fax machine, exercising can be a very difficult argument to win over.
The Weight of Exercise
Everybody should physical exercise, yet the health experts tells us that only 30% o... (read more)
Author: Art Evans
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22. Common Properties of Different Hemorrhoid Treatment Types
February 26, 2010
Hemorrhoid treatment types are aplenty. Regardless of the type of hemorrhoids you have you will certainly find the right type of treatment for it. Each treatment type also falls under a specific property. Common herbal creams, for instance, often have anti-inflammatory properties. Here are some of the common examples of treatment properties.
Anti-inflammatory
Like mentioned, the most common herbal creams for hemorrhoids have anti-inflammatory properties. Hemorrhoids are marked by a swelling in the anus, usually a product of pressure resulting from poor blood circulation. Anti-inflamm... (read more)
Author: Mark Ferrer
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23. 8 Ways to Help Someone With Type 2 Diabetes Handle Sick Days
February 26, 2010
Quick summary It's important to have a sick-day plan in place for the times someone with type 2 diabetes gets a cold, flu, or other illness, as being sick can boost his blood glucose levels to potentially harmful levels. Follow these eight guidelines to help make sure he manages his diabetes even when he's under the weather. 1. Make a sick-day plan. Along with his doctor or diabetes educator, help the person in your care prepare for illness by coming up with a strategy to deal with sick days. That way, when trouble strikes, you'll both be ready. The plan, kept in a handy pl... (read more)
Author: Caring.com Editorial Team
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24. Treat Diabetes with a Dietary Management Plan
February 22, 2010
Our bodies require food for energy and growth but a metabolic disorder called diabetes inhibits proper assimilation of nutrients. Glucose, which is usually transported throughout the body through the bloodstream, is a form of energy which comes from foods that contain sugar. Diabetes causes problems with the distribution of glucose in the bloodstream. If glucose remains in the blood and is not absorbed into the body as it should, abnormally high levels of blood glucose or high blood sugar levels occur. Dietary information should be sought from a medical professional if you have this condi... (read more)
Author: P.S. Orr
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25. Bypass Surgery in Bangalore
February 22, 2010
Bypass Surgery in Bangalore What is Bypass Surgery? This is a type of heart surgery. It's sometimes called CABG ("cabbage"). The surgery reroutes, or "bypasses," blood around clogged arteries to improve blood flow and oxygen to the heart. Why is this surgery done? The arteries that bring blood to the heart muscle (coronary arteries) can become clogged by plaque (a buildup of fat, cholesterol and other substances). This can slow or stop blood flow through the heart's blood vessels, leading to chest pain or a heart attack. I... (read more)
Author: seoatcmsgakaxy k
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