2822 results
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
manifestations Petechiae ... non-blanching, nonpalpable ... from coalesced petechiae ... ecchymosis) is caused ... 1 and 2) #Petechiae
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
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... lesions called petechiae ... Petechiae Etiology ... #Petechiae #Rash ... Diagnosis #Algorithm #Causes
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
Petechiae are small, red lesions caused when capillaries leak blood into the skin. Petechiae larger than
Petechiae are small ... , red lesions caused ... Petechiae larger ... #EM #IM #Derm #Petechiae
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
Causes of Purpura ... BrighamChiefs #Purpura #nonpalpable ... #palpable #Causes
Conjunctival Petechiae: Conjunctival petechiae, in this case secondary to endocarditis.
Photo credit, Josh Fierer, M.D.

Charlie Goldberg, M.D.
Conjunctival Petechiae ... : Conjunctival petechiae ... , in this case secondary ... #Conjunctival #Petechiae
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
be divided into petechial ... rashes into these classes ... maculopapular; #petechiae
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... BrighamChiefs #Purpura #nonpalpable ... #palpable #Causes
Differential for the Child with Petechiae or Purpura
 - Non-thrombocytopenic
 - Thrombocytopenia

#Diagnosis #Peds #Pediatrics #Petechiae #Purpura
the Child with Petechiae ... Peds #Pediatrics #Petechiae