When collecting arterial blood, you must pay attention to these, which will affect the blood collect

Mondo Health Updated on 2024-01-29

Health for All says

Arterial blood sampling is a common clinical test that takes a sample of arterial blood to assess important indicators such as oxygen saturation, acid-base balance, and respiratory function. However, many people lack understanding of the precautions during arterial blood collection, resulting in inaccurate blood collection results. Therefore, we must be very cautious when performing arterial blood sampling and adhere to the following principles.

First, arterial blood collection should be taken at the right time. Arterial oxygen saturation and other related indicators can vary periodically throughout the day, so it's best to take blood at a fixed time in the morning to ensure accurate results. In addition, the patient's state is also to be considered, a state of severe fatigue, hunger, or excessive passion may affect the distribution of gases in the blood, which can affect the results of blood collection.

Secondly, the choice of blood collection equipment is also very important. When performing arterial blood collection, we should choose an arterial blood collection needle of the right size and good quality while keeping the needle clean and sharp. This reduces the pain and trauma of the needle stick and ensures that the blood flows out properly, avoiding unnecessary harm to the patient.

In addition, the choice of blood collection points also needs to be paid attention to. Common sites for arterial blood collection include the radial artery, dorsalis pedis artery, and femoral artery, and we should choose the most suitable blood collection site according to the patient's specific situation. The accurate selection of the location of the blood collection point can help improve the success rate of blood collection and reduce the complications that may occur during blood collection.

In addition, proper phlebotomy techniques are also key to ensuring accurate blood collection results. When performing arterial blood collection, we should operate carefully, follow the standardized steps, and pay attention to the following points. First of all, the patient is firmly immobilized with appropriate techniques to avoid unnecessary movement during the puncture. Secondly, before performing the puncture, it is necessary to ensure that the patient's local ** is fully disinfected to reduce the risk of infection. Finally, during the blood collection process, we should maintain a smooth and uniform blood collection speed and avoid being too fast or too slow, so as to ensure the accuracy of the blood samples obtained.

In addition, individual differences are also one of the important factors affecting the results of arterial blood collection. Factors such as season, age, gender, and medication may all have an impact on arterial blood indicators, so we should consider these factors together in order to interpret the blood collection results more accurately.

Finally, the pain and danger of arterial blood collection are issues that require our attention. Although arterial blood sampling is a common test, it can still be uncomfortable. Therefore, we should fully respect the patient's feelings and reduce the patient's pain through pain relief measures or other means. In addition, when performing arterial blood collection, we should follow standardized operating procedures and strictly adhere to the principles of disinfection and aseptic operation to prevent infection and other complications.

In conclusion, arterial blood collection is a common clinical examination that provides important indicators of a patient's physiological function. However, in order to ensure the accuracy of blood collection results, we must pay attention to factors such as time selection, instrument selection, blood collection point selection, blood collection techniques, and individual differences when collecting blood. Only when we operate strictly according to the norms can we obtain accurate and reliable arterial blood samples to provide guidance for clinical diagnosis and**.

Health References:

1. zheng x, et al. a comparative study of radial versus femoral artery in the diagnosis of coronary artery disease: the wrap-mortal study. chin j cardiac pacing electrophysiol. 2019;33(1):19-23.

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