Final answer:
Petechiae are small red spots that appear on the skin when a tourniquet is applied. They are caused by blood leaking out of damaged vessels. They are associated with conditions like vasculitis or septic shock.
Step-by-step explanation:
Petechiae are small, nonraised red spots that appear on the skin when the tourniquet is applied. They are caused by blood leaking out of damaged vessels. Petechiae can appear as small red or purple spots on the skin and are commonly associated with conditions such as vasculitis or septic shock.
Small, nonraised red spots that appear on the skin when a tourniquet is applied are known as petechiae. Petechiae are small red or purple spots on the skin that result from blood leaking out of damaged vessels. This is a common response when blood vessels are compromised due to pressure or vascular injury. Unlike hives, papules, or freckles, petechiae specifically indicate bleeding under the skin and can be a sign of various medical conditions, ranging from minor injuries to serious disorders.