Documents


Blood Group A1 Positive(A1 +ve):

A blood types have the most variation in subgroup of any of the ABO blood types. There

are about 20 different known subgroups. A1 and A2 individuals make up the vast majority of

people with A blood type, all other subgroups equal less than 1% of A’s.


After a blood donation

The body replaces plasma in about 24 hours, red cells are restored in two to four weeks, and

platelets are replenished in about 72 hours.


Facts: Blood cells

Red cells, white cells and platelets are made in the marrow of bones, especially in the

vertebrae, ribs, hips, skull and sternum.

Red cells deliver oxygen

Red cells are disk-shaped cells containing hemoglobin, a red protein that contains iron.

Hemoglobin enables the cells to pick up and deliver oxygen to all parts of the body. Red cells

also take carbon dioxide to the lungs, where it is exhaled.

Platelets help control bleeding

Platelets are small blood cells that control bleeding. They form clusters to plug holes in blood

vessels and assist in the clotting process when the vessels are severely damaged.

White cells defend the body

White cells are the body’s primary defense against infection. They have the ability to move out

of the blood stream and reach tissue being invaded.


Facts: Donors

The number one reason donors say they give blood is because they “want to help others.”

  • Two most common reasons cited by people who don’t give blood are: “Never thought about it” and “I don’t like needles.”
  • If you began donating blood at age 18 and donated every 90 days until you reached 60, you would have donated 30 gallons of blood, potentially helping save more than 500 lives!
  • AB-type blood donors are universal donors of plasma, which is often used in emergencies, for newborns and for patients requiring massive transfusions.

Facts: Blood and its components

  • Blood makes up about 7 percent of your body’s weight.
  • Donors can give either whole blood or specific blood components only. The process of donating specific blood components – red cells, plasma or platelets – is called apheresis.
  • Donated platelets must be used within five days of collection.
  • Healthy bone marrow makes a constant supply of red cells, plasma and platelets. The body will replenish the elements given during a blood donation – some in a matter of hours and others in a matter of weeks.

Facts: Blood donation process

The average adult has about 10 units of blood in his body. Roughly 1 unit is given during a donation.

  • The actual blood donation typically takes less than 10-12 minutes. The entire process, from the time you arrive to the time you leave, takes about an hour and 15 min.
  • A healthy donor may donate red blood cells every 56 days, or double red cells every 112 days.
  • A healthy donor may donate platelets as few as 7 days apart, but a maximum of 24 times a year.
  • All donated blood is tested for HIV, hepatitis B and C, syphilis and other infectious diseases before it can be transfused to patients.

Facts: Blood supply

Blood cannot be manufactured – it can only come from generous donors.

  • Type O-negative blood (red cells) can be transfused to patients of all blood types. It is always in great demand and often in short supply.
  • Type AB-positive plasma can be transfused to patients of all other blood types. AB plasma is also usually in short supply.

Facts: Blood needs

The gift of blood is the gift of life. There is no substitute for human blood.

  • The average red blood cell transfusion is approximately 3 pints.
  • The blood type most often requested by hospitals is Type O.
  • Sickle cell patients can require frequent blood transfusions throughout their lives.
  • A single car accident victim can require as many as 100 units of blood

Facts: BLOOD

Blood makes up about 7% of your body’s weight.

  • There are about one billion red blood cells in two to three drops of blood.
  • Red blood cells live about 120 days in the circulatory system.
  • Blood carries away from the body waste matter and carbon dioxide.
  • Just three teaspoons of blood can be enough to save the life of a premature baby
  • The National Blood Service was founded in 1946
  • The average adult has a little more than a pint of blood to every 25 pounds

Categories of Voluntary blood donor

1. New voluntary donor: A voluntary non-remunerated blood donor who has never donated

blood before.

2. Lapsed voluntary donor: A voluntary non-remunerated blood donor who has given blood in

the past but does not fulfill the criteria for a regular donor.

3. Regular voluntary donor: A voluntary non-remunerated blood donor who donates blood on

a regular basis without any break for a longer duration between two donations.

Blood collected in an anticoagulant can be stored and transfused to a patient in an

unmodified state. This is known as ‘whole blood’ transfusion. However, blood may be used

more effectively if it is separated into components, including red cells concentrates, fresh

frozen plasma, cryoprecipitate and platelet concentrates, so it can meet the needs of more

than one patient.

  • 91% of the blood collected in high-income countries
  • 72% of that in middle-income countries and 31% of that in low-income countries is separated into components.
  • 157 countries report on separating blood into components, revealing that half of all centers processed whole blood donations into components.