What is Emergency Medicine- How can temperature depression impact a patient's hematologic assessment?
Anemia can be hidden by the hematocrit, which rises by 2% for every 1°C drop in temperature. Despite illness, leukocytes are frequently sequestered, which can lead to low white blood cell numbers. Values cannot be predicted safely since the increased viscosity brought on by cold hemagglutination can lead to thrombosis, hemolysis, or a specific type of disseminated intravascular coagulation syndrome. Because this test is frequently performed on blood that has been warmed to 37°C, coagulopathies caused by hypothermia are not reflected by the deceptively normal international normalized ratio (INR).
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