11 results
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
SKIN RASHES ... Skin rashes ... purpuric, erythematous ... DharSaty #erythema ... ; #purpura; #rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Henoch Schonlein Purpura ... : - Purpura fulminans ... #Petechiae #Rash
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
Pigmented Purpuric ... , purpura, and increased ... - This iron causes ... brown tint of the rash ... Majocchi Purpura
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
, Palpable purpura ... Maculopapular rash ... • Palpable purpura ... Henoch-Schönlein purpura ... #dermatology #rash
Erythema Ab Igne on Physical Exam

Erythema ab igne (EAI) is a skin reaction caused by chronic
Erythema Ab Igne ... caused by chronic ... #PhysicalExam # ... clinical #video ... #rash
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 ... can lead to the rash ... (purpura fulminans
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne ... Rash is usually ... Fever + facial rash ... • Evanescent rash ... Acute systemic rash
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Palpable Purpura ... Henoch Schonlein Purpura ... ankles and palpable rash ... #Palpable #Purpura ... #rash #physicalexam
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Rash 40 M presents ... Diffuse blanching rash ... +purpuric rash → ... purpura fulminans ... #Rash #dermatology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
maculopapular rash ... Post Transfusion Purpura ... Causes purpura & ... anti-HLA or anti-HNA Ab ... infections with skin