Özet:

Full blood donation is thought to be safe, but sometimes unwanted reactions may occur at different intensities when taking blood or at the end of the blood process. Vasovagal reaction is one of the unwanted events that are related to blood donation. Experience of vasovagal symptoms during blood donation significantly reduces the possibility of subsequent donations. Vazovagal reaction is a general feeling of discomfort and discomfort, along with anxiety, turmoil, and nausea, which can progress to loss of consciousness. The vasovagal reaction, which can increase with the relative hypovolemia caused by psychological factors and the amount of blood received, is caused by the parasempathic nervous system. The symptoms of the Vazovagal reaction can be ranged from mild headaches and headaches to full headaches. The place of donation, the demographic factors, the first or repeated donation, the amount of blood received, the psychological factors are some factors that affect the rate of vasovagal reaction occurrence. With pre-donation fluidity, crossing the legs and stretching the muscles during donation, oral salt supplement is the techniques that reduce vasovagal symptoms. The safety of the blood donor is very important. Nurses may contribute to the prevention of syncope in individuals in the risk group. Individuals who have previously suffered from vasovagal sincopes should be trained to avoid triggers such as insufficient fluid intake in hot times, staying unmotivated for a long period of time. It may be recommended that individuals recognize the early findings and sit somewhere when they feel these findings, or to have a short cough. This means the continuity of brain perfusion can be achieved. If the patient is close to its recovery or is at risk of sincopy, fluid volume and pulse irregularities are monitored. In this article we present vasovagal reactions, signs and symptoms that occur during blood donation and applications that can help prevent them.

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