What are subcutaneous petechiae?
Apr 14, 2022
Source: Cainiu Health
Dr. Gan Liqiang
Introduction
Subcutaneous hemorrhage refers to the rupture of subcutaneous capillaries due to external force, resulting in pinpoint areas of skin congestion. It is important to note that when someone falls down stairs, do not rush to move the injured person, as fractures or other trauma-related complications may be present. First, assess whether the patient is conscious and promptly inform them of the situation. Immediately call emergency medical services.
Some individuals frequently notice unexplained pinpoint subcutaneous hemorrhages in daily life, leading them to mistakenly believe they have a skin or systemic disease. What exactly are subcutaneous hemorrhages?
What Are Subcutaneous Hemorrhages?
Subcutaneous hemorrhage refers to the rupture of capillaries beneath the skin due to external trauma, resulting in pinpoint areas of cutaneous congestion. It is important to note that if someone falls down stairs, do not rush to move the injured person, as fractures or other traumatic injuries may be present. First, assess whether the patient is conscious and promptly inform emergency medical personnel. Keep the injured person warm, avoid shaking or repositioning them.
The underlying cause of subcutaneous hemorrhage should be identified and addressed—or treated actively. Patients should rest adequately and may take oral medications such as vitamin C and rutin tablets to strengthen and repair blood vessel walls, thereby promoting recovery from subcutaneous bleeding. Clinically, subcutaneous hemorrhage is diagnosed as purpura—characterized by red, purple, or bluish-purple spots that do not blanch upon pressure. Pinpoint hemorrhagic lesions, ranging from pinhead to needle-tip size, are termed petechiae. Larger, deeper hemorrhagic patches are called ecchymoses.
A localized collection of blood within tissues accompanied by swelling and fluctuation is termed a hematoma. Purpura is broadly classified into thrombocytopenic and non-thrombocytopenic types; further, it can be subdivided into non-inflammatory and inflammatory purpura. We hope this explanation proves helpful.
