11 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Sarcoidosis or Lofgren's syndrome ... TB Viral: HSV ... , EBV, HIV, HepB ... #Differential #Diagnosis ... #Dermatology #SkinRash
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
EBV, CMV), Acute HIV ... Zoster, Coxsackie (hand ... , Disseminated HSV ... Noninfectious: SJS/TEN, Erythema ... #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
or Haverhill fever ... on the back of hands ... include: infections (HSV ... #differential #diagnosis ... #dermatology #compared
Mechanic’s Hands in Dermatomyositis

Finally, mechanic’s hands which are common to Anti-synthetase syndrome and another type of
Anti-synthetase syndrome ... typically present with erythema ... #SkinRash #Dermatomyositis ... #Dermatology #Clinical ... #Photo
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Kasabach-Merritt syndrome ... • HCV, HBV Not ... mountain spotted fever ... reactions • Erythema
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Aplastic Anemia Clinical ... - CMV - HCV ... - HIV • Immune ... immunodeficiency virus (HIV ... #diagnosis #management
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
Vasculitis (LCV) of the Hand ... Diagnosis? ... polyangiitis, HSP ... #skinrash #dermatology ... #clinical #photo
HSV Herpetic Whitlow Infection of the Finger
20 F presents with painful finger, treated w/ oral cephalexin
HSV Herpetic Whitlow ... Diagnosis? ... Herpetic whitlow hsv ... Herpetic #Whitlow #HSV ... #photo
Rickettsialpox Eschar

40 homeless male from NY admitted with fever, chills, headache, myalgias. Diagnosis?
Rickettsialpox R akari classic
Diagnosis? ... , hsv, Queensland ... Eschar #rakari #clinical ... #photo #skinrash ... #dermatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... Viral Infection Clinical ... Mycoplasma, EBV, HIV ... Symptoms: High fevers ... hemolytic #anemia #hematology