28 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Diagnosis of the Petechial ... / Purpuric Rash ... - Autoimmune Vasculitis ... twitter.com/BirksMD #Petechial ... #Purpuric #Petechiae
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... Patients with petechiae ... Those with petechiae ... patients with petechiae ... #Petechiae #Purpural
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... lesions called petechiae ... Petechiae Etiology ... Henoch Schonlein Purpura ... Rash: - Purpura
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... trauma, infection, vasculitis ... process such as vasculiitis ... Dermatology #Rash #Petechiae ... #Purpura #Palpable
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... cryoglobulins, IgA ... BrighamChiefs #Purpura ... #Causes #Differential ... #Diagnosis #vasculitis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... PURPURA: Platelet ... Acute Infectious Purpura ... OF PALPABLE PURPURA ... • Ig A vasculitis
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
be divided into petechial ... /purpuric, erythematous ... fever and systemic signs ... maculopapular; #petechiae ... ; #purpura; #rash
Petechiae are small, red lesions caused when capillaries leak blood into the skin. Petechiae larger than
Petechiae are small ... Petechiae larger ... than 0.5 cm are purpura ... IM #Derm #Petechiae ... #Purpura
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Palpable Purpura ... Henoch Schonlein Purpura ... (HSP, IgA Vasculitis ... #Purpura #Henoch ... #IgA #Vasculitis
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... Small Vessel: Petechiae ... , Palpable purpura ... : - Ig A (HSP) ... with IgG/IgM deposits