Cold air, wind, or water can make you sick. This is called Hypothermia, and it affects you in a variety of ways, depending on the climate where you live, what you are wearing, your health, and how long you are outside.

Massive blood transfusion is the transfusion of a large volume of blood in a short period of time, on a patient with acute blood loss, massive blood loss, and progression. The issue of resuscitation is extremely important, requiring the coordination of many specialties, in which hematology plays an important role, to optimize the resuscitation issue, avoiding complications due to the issue of resuscitation and massive blood transfusion.