35 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
& Symmetrical Rash ... (Measles- like rash ... Infectious #JointPain #MSK ... #Differential # ... #Orthopedics #Causes
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Adult-Onset Still's Disease ... Clinical triad ... arthritis, Skin rash ... fraction < 20% Differential ... management #treatment #rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... auricular papules Clinical ... severity of the disease ... Dermatomyositis #rheumatology
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
rapidly evolving rash ... chronic liver disease ... University Infectious Diseases ... dermatology #legs #clinical ... #photo
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
stages of this disease ... resembling rashes caused ... by other diseases ... #Diagnosis #Clinical ... #Photo #Dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... #diagnosis #rheumatology
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Fulminans Skin Rash ... rigors, diarrhea, nausea ... fulminans) and critical ... BIDMC Infectious Diseases ... #clinical #photo
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Hypertension - Differential ... based on repeat clinic ... Renal Parenchymal Diseases ... • Bilateral RAS ... • Unilateral RAS
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... biopsy preferred Differential ... University Infectious Diseases ... Sporotrichiosis #Infection #clinical ... #photo #hand
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease ... - MSK Radiology ... tibial tuberosity Differential ... #mri #clinical ... Radiology #diagnosis #msk