10 results
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - ... instability - New-onset fever ... #Rash #Maculopapular ... Targetoid #Algorithm #Differential ... #Ddxof
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
erythematous rash ... Nikolsky sign may ... #Diagnosis #Dermatology ... #Erythematous #Rash ... #Differential
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
(MAS) Classified ... purpura to mucosal bleeding ... Petechial or purpuric rash ... Fibrin degradation products ... Diagnosis #Management #Hematology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
extensive skin rash ... • Maculopapular ... Fever >38.5 2. ... Resolution > 15 days Differentials ... #dermatology #diagnosis
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
S/sx: Fever, flank ... Hct, fever, minor ... /sx urticaria, maculopapular ... rash, pruritis, ... coagulopathy & ↑bleeding
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
lesions (9.4%) • Maculopapular ... rash (6.7%) • ... reticularis Differential ... • Goodpasture syndrome ... #rash #diagnosis
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
S/sx: Fever, flank ... Hct, fever, minor ... /sx urticaria, maculopapular ... rash, pruritis, ... Sx include: fever
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Milk • Food products ... Lady Windermere Syndrome ... : • Syndrome of ... fortuitum can produce ... NTM #Infections #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... Vasculitis: • Fevers ... , mucositis • Rash ... vesicles, pustules, maculopapular
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Symptoms: • Gottron rash ... : Fever, joint pain ... : • Fever • Interstitial ... #rheumatology #differential