What should be done if a blood collection attempt results in a hematoma?

When a blood collection attempt results in a hematoma, the appropriate response is to apply pressure and elevate the arm. This approach serves two important purposes: it helps to reduce swelling and limits blood flow to the area, which can mitigate the formation of the hematoma. Elevation of the affected arm encourages venous return and can further assist in reducing swelling.

Applying pressure is critical as it allows for clot formation at the site of injured blood vessels, minimizing further bleeding into the surrounding tissue. This action can effectively promote healing and reduce discomfort for the patient.

In contrast, applying ice to the site may provide temporary relief from pain but does not address the underlying issue of bleeding. Notifying the doctor immediately is not typically necessary unless the hematoma is excessively large or the patient is experiencing significant symptoms, which is not always the case. Additionally, using a different venipuncture site would be a separate action taken for future blood draws but does not directly address the immediate concern of a hematoma after a collection attempt.