12 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
inflammation or infection ... rash, the diagnosis ... While all patients ... #Diagnosis #Dermatology ... #Purpuric #Rash
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Diagnosis Framework ... - PNH - APLS ... • Acute Infectious ... #hematology #rheumatology ... #nonpalpable #dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... - Diagnostic Algorithm ... integrity (trauma, infection ... affected (commonly renal ... #Dermatology #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... Differential Diagnosis ... cell arteritis Infections ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... - Trauma - Infection ... : - Purpura fulminans ... : - ITP - APLS ... Algorithm #Causes #dermatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
his dog 3d ago, dental ... +purpuric rash → ... purpura fulminans ... the key to the diagnosis ... #dermatology #clinical
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
contagious of all ... treatment, the infection ... oral cavity and genital ... #Diagnosis #Clinical ... #Photo #Dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... Rash is usually ... form of acquired dermal ... #differential #diagnosis ... #dermatology #compared
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
(Petechial or purpuric ... rash) • Heart, ... SLE], AOSD) • Infection ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
, DIC, hypoTN, renal ... maculopapular rash ... Causes purpura & ... #Transfusion #diagnosis ... #management #hematology