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Purpuric Skin Lesions - Petechia/Purpura and Ecchymosis 

#Purpuric #Purpura #Petechia #Ecchymosis #Comparison #Dermatology #Skin #Diagnosis #Clinical
Petechia/Purpura and Ecchymosis ... Purpura #Petechia #Ecchymosis
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
palpable versus nonpalpable ... Nonpalpable purpura ... toxicity but with nonpalpable ... vasculitis; those with nonpalpable ... Rash #Algorithm #Nonpalpable
Basilar Skull Fracture
Fracture through petrous portion of temporal bone 
 - Periorbital ecchymosis 
 - Hemotympanum
- Periorbital ecchymosis ... Postaurlcular ecchymosis
Ecchymosis: Bluish discoloration of skin caused by bruising with resultant subcutaneous collection
of blood.

Charlie Goldberg, M.D. -
Ecchymosis: Bluish ... #Dermatology #Ecchymosis
Cullen's Sign: Ecchymosis/discoloration around the umbilicus 

#Clinical #Pancreatitis #Cullens #Sign #CullenSign #PhysicalExam
Cullen's Sign: Ecchymosis
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
non-blanching, nonpalpable ... Bruise (also called ecchymosis ... Purpura #Bruise #ecchymosis
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
BrighamChiefs #Purpura #nonpalpable
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
BrighamChiefs #Purpura #nonpalpable
Vibrio vulnificus Infection- At the time of presentation, hemorrhagic bullae measuring 3.5 by 4.5 cm had
tense bullae and ecchymoses ... clinical #photo #NEJM
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
cm diameter - Ecchymosis