Tourniquet application
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Catalog excerpts

Tourniquet application - 1

Tourniquet application Small outlay, big impact

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Tourniquet application - 2

Tourniquet application All of the following are required for blood collection: safety needles, safety multifly® needles, multi adapters or BKF adapters, blood collection tubes and tourniquets. But what purpose does the tourniquet serve? • Does it make it easier to puncture the vein? • Does it speed up blood collection? • What should be taken into account when using the tourniquet? Find out more below. Do I even need to use a tourniquet when collecting blood? If the veins are clearly visible, it is not strictly necessary to use a tourniquet. But the veins in the crook of the arm are often...

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Tourniquet application - 3

Tourniquet application Why should it not be applied for longer than one minute? Almost all measured values change after the tourniquet has been applied for a minute. Measurement results can be incorrectly high or incorrectly low. Why does applying a tourniquet change the measured values? Applying a tourniquet temporarily changes the colloid osmotic pressure. This means that the increase in filtration pressure on the capillaries causes water and low molecular weight substances to shift from the extracellular space into the intercellular space. Substances with a high molecular weight cannot...

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