141 results
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
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Diagnosis of the Petechial ... twitter.com/BirksMD #Petechial ... #Purpuric #Petechiae ... #Dermatology #Skin
Purpuric Skin Lesions - Petechia/Purpura and Ecchymosis 

#Purpuric #Purpura #Petechia #Ecchymosis #Comparison #Dermatology #Skin #Diagnosis #Clinical
Purpuric Skin Lesions ... - Petechia/Purpura ... Purpuric #Purpura #Petechia ... #Dermatology #Skin
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... lesions called petechiae ... Petechiae Etiology ... cryoglobulins • Skin ... #Petechiae #Rash
Conjunctival Petechiae: Conjunctival petechiae, in this case secondary to endocarditis.
Photo credit, Josh Fierer, M.D.

Charlie Goldberg, M.D.
Conjunctival Petechiae ... : Conjunctival petechiae ... Photo credit, Josh ... Images #Clinical #Photo ... #Conjunctival #Petechiae
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
SKIN RASHES ... Skin rashes ... be divided into petechial ... maculopapular; #petechiae
Petechiae are small, red lesions caused when capillaries leak blood into the skin. Petechiae larger than
Petechiae are small ... blood into the skin ... Petechiae larger ... #EM #IM #Derm #Petechiae
Scarlet fever
• Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure
• Diffuse erythematous eruption that generally
• Delayed-type skin ... Pastia lines = petechial ... diagnosis #clinical #photo
Petechiae: punctate spots that arise from spontaneous bleeding secondary to profound thrombocytopenia. 
The spots (easily visible
Petechiae: punctate ... Images #Clinical #Photo ... Dermatology #Rash #Petechiae
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
manifestations Petechiae ... discrete areas of skin ... non-blanching, nonpalpable ... from coalesced petechiae ... The skin is flat