12 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Giardiasis #Erythema ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... #Nodosum #Causes ... #Differential Diagnosis ... #Dermatology #SkinRash
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... lasts <24hrs • Erythema ... #Reactive #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint Pain - Differential ... Myalgia • Viral Arthritis ... Fifth Disease (Erythema ... Diagnosis #Algorithm #Orthopedics ... #Causes
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... predispose to other orthopedic ... Osteomyelitis / Septic Arthritis ... • Differentiate ... #hematology
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential ... Acute bursitis • Erythema ... thrombophlebitis • Hematoma ... Pseudocellulitis #Differential ... #dermatology #skin
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash - Differential ... Well-demarcated erythema ... #Eczematous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... warmth, effusion, erythema ... : • Pain • Erythema ... weeks) Can Be Caused ... Joint #pain #Differential
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Skin Ulcers - Differential ... stomatitis • Erythema ... #Oral #mouth #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Like in this case ... Joint #Pain #MSK #rheumatology ... #approach #workup ... #differential # ... diagnosis #arthritis