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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
Basic Information on Blood donation
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<blockquote data-quote="Arpan uddin" data-source="post: 15652" data-attributes="member: 3381"><p><em>"Give blood" redirects here. For other uses, see <a href="http://en.wikipedia.org/wiki/Give_blood_(disambiguation)" target="_blank">Give blood (disambiguation)</a>.</em></p><p><a href="http://en.wikipedia.org/wiki/File:Blood_donation_pictogram.svg" target="_blank"><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Blood_donation_pictogram.svg/220px-Blood_donation_pictogram.svg.png" class="bbImage" alt="" data-url="https://upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Blood_donation_pictogram.svg/220px-Blood_donation_pictogram.svg.png" style="" /></a></p><p>Blood donation pictogram</p><p></p><p></p><p>A <strong>blood donation</strong> occurs when a person <a href="http://en.wikipedia.org/wiki/Free_will" target="_blank">voluntarily</a> has <a href="http://en.wikipedia.org/wiki/Blood" target="_blank">blood</a> drawn and used for <a href="http://en.wikipedia.org/wiki/Blood_transfusion" target="_blank">transfusions</a>and/or made into biopharmaceutical medications by a process called <a href="http://en.wikipedia.org/wiki/Blood_fractionation" target="_blank">fractionation</a> (separation of whole-blood components). Donation may be of whole blood (WB), or of specific components directly (the latter called apheresis). <a href="http://en.wikipedia.org/wiki/Blood_bank" target="_blank">Blood banks</a> often participate in the collection process as well as the procedures that follow it.</p><p>Today, in the developed world, most blood donors are unpaid volunteers (voluntary non-remunerated repeat donations, VNRD) who donate blood for a community supply : thanks to the latest laws that forbid any remuneration for blood donations. In poorer countries, established supplies are limited and donors usually give blood when family or friends need a transfusion (directed donation). Many donors donate as an act of charity, but in countries that allow paid donation some donors are paid, and in some cases there are incentives other than money such as<a href="http://en.wikipedia.org/wiki/Paid_time_off" target="_blank">paid time off</a> from work. Donors can also have blood drawn for their own future use (autologous donation). Donating is relatively safe, but some donors have bruising where the needle is inserted or may feel faint.</p><p>Potential donors are evaluated for anything that might make their blood unsafe to use. The screening includes testing for diseases that can be transmitted by a blood transfusion, including <a href="http://en.wikipedia.org/wiki/HIV" target="_blank">HIV</a> and <a href="http://en.wikipedia.org/wiki/Viral_hepatitis" target="_blank">viral hepatitis</a>. The donor must also answer questions about <a href="http://en.wikipedia.org/wiki/Medical_history" target="_blank">medical history</a>and take a short <a href="http://en.wikipedia.org/wiki/Physical_examination" target="_blank">physical examination</a> to make sure the donation is not hazardous to his or her health. How often a donor can give varies from days to months based on what he or she donates and the laws of the country where the donation takes place. For example in the United States, donors must wait eight weeks (56 days) between <a href="http://en.wikipedia.org/wiki/Blood_donation#Whole_blood" target="_blank">whole blood donations</a> but only seven days between <a href="http://en.wikipedia.org/wiki/Plateletpheresis" target="_blank">platelet pheresis donations</a>.[SUP]<a href="http://en.wikipedia.org/wiki/Blood_donation#cite_note-1" target="_blank">[1]</a>[/SUP]</p><p>The amount of blood drawn and the methods vary. The collection can be done manually or with automated equipment that only takes specific portions of the blood. Most of the components of blood used for transfusions have a short <a href="http://en.wikipedia.org/wiki/Shelf_life" target="_blank">shelf life</a>, and maintaining a constant supply is a persistent problem. This has led to some increased interest in <a href="http://en.wikipedia.org/wiki/Autotransfusion" target="_blank">autotransfusion</a>, whereby a patient's blood is salvaged during surgery for continuous reinfusion — or alternatively, is "self-donated" <em>prior</em> to when it will be needed. (Generally, the notion of "donation" does not refer to giving to one's <em>self</em>, though in this context it has become somewhat acceptably idiomatic.)</p></blockquote><p></p>
[QUOTE="Arpan uddin, post: 15652, member: 3381"] [I]"Give blood" redirects here. For other uses, see [URL='http://en.wikipedia.org/wiki/Give_blood_(disambiguation)']Give blood (disambiguation)[/URL].[/I] [URL='http://en.wikipedia.org/wiki/File:Blood_donation_pictogram.svg'][IMG]https://upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Blood_donation_pictogram.svg/220px-Blood_donation_pictogram.svg.png[/IMG][/URL] Blood donation pictogram A [B]blood donation[/B] occurs when a person [URL='http://en.wikipedia.org/wiki/Free_will']voluntarily[/URL] has [URL='http://en.wikipedia.org/wiki/Blood']blood[/URL] drawn and used for [URL='http://en.wikipedia.org/wiki/Blood_transfusion']transfusions[/URL]and/or made into biopharmaceutical medications by a process called [URL='http://en.wikipedia.org/wiki/Blood_fractionation']fractionation[/URL] (separation of whole-blood components). Donation may be of whole blood (WB), or of specific components directly (the latter called apheresis). [URL='http://en.wikipedia.org/wiki/Blood_bank']Blood banks[/URL] often participate in the collection process as well as the procedures that follow it. Today, in the developed world, most blood donors are unpaid volunteers (voluntary non-remunerated repeat donations, VNRD) who donate blood for a community supply : thanks to the latest laws that forbid any remuneration for blood donations. In poorer countries, established supplies are limited and donors usually give blood when family or friends need a transfusion (directed donation). Many donors donate as an act of charity, but in countries that allow paid donation some donors are paid, and in some cases there are incentives other than money such as[URL='http://en.wikipedia.org/wiki/Paid_time_off']paid time off[/URL] from work. Donors can also have blood drawn for their own future use (autologous donation). Donating is relatively safe, but some donors have bruising where the needle is inserted or may feel faint. Potential donors are evaluated for anything that might make their blood unsafe to use. The screening includes testing for diseases that can be transmitted by a blood transfusion, including [URL='http://en.wikipedia.org/wiki/HIV']HIV[/URL] and [URL='http://en.wikipedia.org/wiki/Viral_hepatitis']viral hepatitis[/URL]. The donor must also answer questions about [URL='http://en.wikipedia.org/wiki/Medical_history']medical history[/URL]and take a short [URL='http://en.wikipedia.org/wiki/Physical_examination']physical examination[/URL] to make sure the donation is not hazardous to his or her health. How often a donor can give varies from days to months based on what he or she donates and the laws of the country where the donation takes place. For example in the United States, donors must wait eight weeks (56 days) between [URL='http://en.wikipedia.org/wiki/Blood_donation#Whole_blood']whole blood donations[/URL] but only seven days between [URL='http://en.wikipedia.org/wiki/Plateletpheresis']platelet pheresis donations[/URL].[SUP][URL='http://en.wikipedia.org/wiki/Blood_donation#cite_note-1'][1][/URL][/SUP] The amount of blood drawn and the methods vary. The collection can be done manually or with automated equipment that only takes specific portions of the blood. Most of the components of blood used for transfusions have a short [URL='http://en.wikipedia.org/wiki/Shelf_life']shelf life[/URL], and maintaining a constant supply is a persistent problem. This has led to some increased interest in [URL='http://en.wikipedia.org/wiki/Autotransfusion']autotransfusion[/URL], whereby a patient's blood is salvaged during surgery for continuous reinfusion — or alternatively, is "self-donated" [I]prior[/I] to when it will be needed. (Generally, the notion of "donation" does not refer to giving to one's [I]self[/I], though in this context it has become somewhat acceptably idiomatic.) [/QUOTE]
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Testosterone Replacement, Low T, HCG, & Beyond
Blood Test Discussion
Basic Information on Blood donation
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