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What is 1 to 2 mm haemorrhages in skin are known as: and explain in detail?
Minute 1- to 2-mm hemorrhages into skin, mucous membranes, or serosal surfaces are called petechiae. These are most commonly associated with locally increased intravascular pressure, low platelet counts (thrombocytopenia), or defective platelet function (as in uremia). Ref: Robbins 8th edition Chapter 4.