12 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Rash Febrile ... Fulminans, DIC, ... - Autoimmune Vasculitis ... #Rash #Algorithm ... #Dermatology #Skin
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Acute Purpura Fulminans ... Skin Rash on Physical ... new full-body rash ... (purpura fulminans ... #Skin #Rash #clinical
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
(HSP, IgA Vasculitis ... ankles and palpable rash ... #HSP #IgA #Vasculitis ... #clinical #photo ... #rash #physicalexam
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Leg Rash - Palpable ... purpura (IgA), ... later confirmed by skin ... #Legs #Rash #clinical ... #photo #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... • Henoch Schönlein ... gangrenosum • IBD ... Antiphospholipid-antibody syndrome
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial Rash ... : • Palpable Rash ... • Non-Palpable Rash ... : - Purpura fulminans ... : • Palpable Rash
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Skin Rash 40 ... Diffuse blanching rash ... +purpuric rash → ... purpura fulminans ... #Rash #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... polyangiitis • EGPA • Henoch-Schönlein ... purpura • Mixed ... • Goodpasture syndrome ... #dermatology #rash
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
and Rash - Diagnostic ... fulminans, Viral ... Parvovirus B19 (PPGSS), Vasculitis ... angiomatosis, Sweet syndrome ... WuidQ #Fever #Rash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often present • Henoch ... (IgA vasculitis ... mucositis - Rash ... : • Behçet Syndrome ... • Cogan Syndrome