175 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... Differential #Diagnosis #Dermatology ... #SkinRash
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Differential Diagnosis Algorithm ... ) • Behcet's syndrome ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #causes
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Non-Infectious Causes ... disease • Behcet's syndrome ... • Hyper-IgD syndrome ... receptor-associated periodic syndrome
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
or absence of fever ... If fever is present ... disease, scarlet fever ... but without a fever ... #Diagnosis #Dermatology
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Onset Fever - Differential ... Neuroleptic malignant syndrome ... disease • Drug fever ... #Fever #Acute
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Causes of Fever ... Lemierre's syndrome ... Brucellosis, Q fever ... Mediterranean fever ... , Factitious fever
Scarlet Fever - Other symptoms include: white coating on the tongue which then peels and leave
Scarlet Fever - ... lymphadenopathy #Clinical #Dermatology ... Peds #Pediatrics #SkinRash
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... Other: • Drug fever ... • Factitious fever ... • Rheumatic fever ... parasites #Fever
Sweet’s Syndrome - Acute febrile neutrophilic dermatosis 

The syndrome involves fever, painful rash, neutrophilic leukocytosis, and
Sweet’s Syndrome ... dermatosis The syndrome ... involves fever, ... #Sweets #Syndrome ... neutrophilic #dermatosis #dermatology
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
Differential Diagnosis Algorithm ... Trunk #Sacral #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes