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Scenario review
Scenario review Scenario reviewScenario 1
Scenario 1"Why can't you take my blood from here? You have to puncture me again.
My blood vessels are already hard to find
.
" An old grandmother pointed to the hand of the infusion and asked the nurse
Blood vessel
"I don't want to give you another needle, but you can't take it from here, it will affect the test results of the blood sample
.
" The nurse replied
Scenario 2
Scenario 2"This patient's blood is particularly difficult to draw, shall we draw it directly from the indwelling needle?" a young nurse mumbled
.
"Blood cannot be drawn from the indwelling needle, let alone infusion
.
" A senior nurse reprimanded
Preface
Foreword PrefaceIn daily nursing work, venous blood sampling can be said to be a daily routine for nurses.
Every day, all kinds of blood samples are collected for examination of countless patients
.
Sometimes, in order to accurately grasp the patient's condition, the doctor will issue multiple medical orders for the patient to collect blood samples within a day, and the patient will be punctured many times
The importance of qualified blood specimens
The importance of qualified blood specimensThe accuracy of blood sample test results is of great significance for doctors to judge the patient's condition.
If the blood sample collected is unqualified, the test results will be affected, the doctor will be misjudged, and serious consequences will be caused
.
Why can't blood samples be collected on the infusion side?
Why can't blood samples be collected on the infusion side? Why can't blood samples be collected on the infusion side?Li Yunqiang’s research pointed out: In patients with intravenous infusion, due to the illegal operation of nurses, blood samples are collected from the infusion tube or from the side of the infusion, resulting in an increase in blood sugar and serum sodium and a decrease in serum chlorine.
This is because the fluid infused by the patient contains glucose and Sodium chloride significantly increases blood sugar and serum sodium
.
Li Wensheng and others also pointed out that drawing blood at the infusion side has an impact on the blood biochemical results, and appropriate parts and methods should be selected during venous blood collection to ensure the validity of the specimen
.
It can be seen that drawing blood on the infusion side will affect the test results of blood samples (especially the biochemical results).
Nurses should not collect blood samples that do not meet the standards on the infusion side in order to save trouble.
At the same time, when drawing blood again, they must explain to the patient.
Work and strive for patient cooperation
.
Is it absolute that blood samples cannot be collected on the infusion side?
Is it absolute that blood samples cannot be collected on the infusion side? Is it absolute that blood samples cannot be collected on the infusion side?Luo Chenling and others put forward new viewpoints through systematic evaluation research:
Since it takes 12 (9-16) s for adult blood to circulate in the body for 1 week, stopping 2 minutes before blood collection is approximately equal to 10 weeks of blood circulation time
.
The liquid from the arm of the infusion side can fully enter the blood circulation with the venous blood to eliminate its influence on the test value
Therefore, nurses can do so in specific situations
.
1.
When intravenous infusion is in progress, it is forbidden to collect blood samples directly on the arm of the infusion side;
2.
During intravenous infusion, detect the components that are not contained in the input liquid, and collect blood samples when the infusion is suspended for 2 minutes;
3.
During intravenous infusion, detect the components contained in the input liquid.
If the content of this component is low and the molecular weight is small (such as sodium and chloride when inputting normal saline), blood samples can be collected when the infusion is suspended for 2 minutes;
4.
Detect the components contained in the input liquid during intravenous infusion.
If the content of this component is high and the molecular weight is large, (such as the blood glucose level when the glucose solution is input), it is not recommended to collect blood from the arm on the side of the infusion, and it is best to collect blood from the arm on the opposite side
.
Summarize
SummarizeIn order to alleviate the suffering of patients, nurses can select blood samples according to the specific blood samples under the strict implementation of standard procedures when performing venous blood collection operations.
Blood samples collected from the indwelling needle on the infusion side are not absolute
.
But if there is an abnormal value, it must be retested in time
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