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The heart is not pumping blood correctly or the blood is not getting filtered i don't know for sure. :)
People receive blood transfusions because there is a severe lack of blood loss in the body that may result in a fatally.

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11y ago
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8y ago

Most patients who have a major surgical procedure, will have a blood transfusion to replace any blood loss during their surgery. Blood transfusions are used for patients whom have experienced serious injuries from car crashes or natural disasters. Individuals with an illness that causes anemia, such as leukemia or kidney disease will often be the recipients of blood transfusions.

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9y ago

Blood is very important to the body. It carries oxygen and nutritients to the brain and muscles, and take away the leftovers. If your body was a fire, blood would be responsible for bringing in air and fuel, and for removing the ashes.

In normal life, some blood is always wearing out, and the body is always making more of it, so losing a little is no big deal. After a few days, the body will have made more to cover the losses.

But if you are injured, you can lose blood a lot faster than the body can make it, and that's not good.

If you were to lose too much blood, what's left can't supply your muscles with that they need and you'd die. The fire would go out.

Luckily, we've found out how to perform blood transfusions, so we can save those who would otherwise have died from blood loss.


Transfusions are given to restore lost blood, to improve clotting time, and to improve the ability of the blood to deliver oxygen to the body's tissues.
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12y ago

bring there blood pressure back up to normal

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13y ago

Blood transfusions are given to restore lost blood, to improve clotting time, and to improve the ability of the blood to deliver oxygen to the body's tissues.

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13y ago

for blood lost in surgery or illness :)

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Q: Why patients receive blood transfusions?
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What is five reason for blood transfusion?

TraumaSurgeryTraumatic injury that produces a great deal of blood lose must be treated with a blood transfusion. When the blood supply dips dangerously low due to a traumatic injury, the body goes into shock which can be fatal if the blood supply is not restored. Blood transfusions are used to restore the blood supply in such cases. Clotting DisordersSurgery patients can lose a great deal of blood during an operation. To keep the body from going into shock, many patients receive blood transfusions while they are still on the operating table. Surgery patients usually receive full blood transfusions to restore the blood supply just like traumatic injury patients. According to the American Heart, Lung and Blood Institute, nearly one in three heart surgery patients need a transfusion during their surgery. AnemiaIndividuals who have clotting disorders such as hemophilia often require blood transfusions. Because their blood lacks the factor needed to stop bleeding, even a minor injury can cause a great loss of blood. Hemophiliacs will receive many blood transfusions throughout their life, and internal injuries from falls or accidents can be a cause of great concern. In a hemophiliac, fresh, healthy blood is used to restore the blood flow and help the body clot when necessary. CancerAnemia occurs when the blood does not produce enough iron and it can cause illness and general feelings of being unwell. Anemia is caused by a number of different ailments, but those with kidney problems most commonly receive blood transfusions that restore the iron level in the blood and help patients to feel better as they deal with the underlying illness.Cancer patients who undergo radiation often end up with anemia as a side effect. Blood transfusions are used in such cases to restore normal levels in the blood and create a healthier body that can undergo and deal with radiation and chemotherapy better. Cancer patients may not receive full blood transfusions but rather are often transfused with certain parts of the blood, such as platelets.


How many platelet transfusions can a leukemia patient have?

As many as necessary to prevent bleeding associated with thrombocytopenia. In patients refractory to random donor platelet transfusions, platelet crossmatching may identify units providing better platelet count increases. If crossmatching is not effective, HLA matching of platelets may be necessary.


What is a blood bank for?

A blood bank is for people to donate blood and to receive blood that people donated to get blood transfusions.


Why are Mallory-Weiss Syndrome patients treated with blood transfusions and intravenous fluids?

The patient is resuscitated and stabilized with blood transfusions and intravenous fluids to restore the fluid and electrolyte balance.


i caught heppititus from one of many blood transfusions over the years, can I still receive blood transfusions at this point?

You sure can! You are just unable to give or donate blood from now on.


How often can a person receive blood transfusions?

All the time. They are totally safe! sometimes tasty


What determines the type of blood that a person can receive in transfusion?

First you must have a type and screen which determines your blood type. Then the blood get cross-matched to see if it is a good fit. There are many factors that must be considered before a person receives blood. Of course in a trauma situation where there is no time to type, screen and cross match patients always receive Type O negative blood as this is the "Universal Donor."


How do blood types interact with each other?

AB positive blood type is known as the universal recipient which means that persons with AB positive blood can recieve transfusions from any blood type, positive or negative. Generally, transfusions of the same blood type or of blood type O can be given. Persons with blood types that are RH positive can be given transfusions of either the positive OR negative subtype, but persons with RH negative blood types can only receive transfusions from other RH negative blood types.


Are blood transfusions still an acceptable form of treatment?

No. Blood transfusions are not an acceptable medical treatment for anyone who is a JW. One can receive treatments and surgery that are blood free and perfectly safe. == Blood transfusions for Jehovah's Witnesses are now down to personal conscience, but they are widely discouraged. But ultimately this doctine has been taken completely out of context, and other teachings of God are being ignored.


Can Jews receive blood transfusions?

Yes! according to the Halakhah (Jewish law) it's a Mitzva (imperative) to have a blood transfusion when needed, since it's a Mitzva to save one's life.


What year did blood transfusions become safe?

Nowadays blood is screened for illnesses before it is used in transfusions.


What age group requires the most blood transfusions per year?

O group because O blood is a universal donor but only can receive type O blood for their body