12 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... TB Viral: HSV ... , EBV, HIV, HepB ... #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 ... Differential #Diagnosis #dermatology
Kaposis Sarcoma: Darkly pigmented macules caused by this malignancy. Seen most commonly in
patients with HIV infection.

Charlie
pigmented macules caused ... patients with HIV ... Images #Clinical ... #Photo #Dermatology ... #SkinRash #Kaposis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... on the back of hands ... include: infections (HSV ... differential #diagnosis #dermatology
Purpura - Differential Diagnosis Framework

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

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

What?
• Aplastic anemia
Aplastic Anemia Clinical ... and petechiae Causes ... - CMV - HCV ... - HIV • Immune ... immunodeficiency virus (HIV
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
marine microbiota & causes ... Rapid onset of fever ... hemolytic anemia, CKD, hiv ... rash #cellulitis #dermatology ... #photo
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
Vasculitis (LCV) of the Hand ... Churg-Strauss syndrome ... 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 ... Herpetic whitlow hsv ... virus into the hand ... Herpetic #Whitlow #HSV ... #photo