9 results
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
virus mediated ... superimposed bacterial ... skin infection, ... Images #Clinical #Photo ... #Dermatology #SkinRash
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
to 10 percent): antibiotics ... - Viral: herpes ... - Bacterial ... Nodosum #Causes #Differential ... Diagnosis #Clinical #AAFP
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
cases Drugs (antibiotics ... HepB, HepC Bacterial ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... Cryoglobulinemia Infectious ... Leishmaniasis - Viral - Herpes ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Neutropenia - Differential ... Anticonvulsants • Antibiotics ... Antineoplastic Viral Infection ... • Epstein-Barr Virus ... Algorithm #Causes #Hematology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... MCC: HSV 1): • Herpes ... 10 weeks after erythema ... - History of erythema ... stain: Previous antibiotics
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Skin Ulcers - Differential ... stomatitis • Erythema ... simplex infection ... #Oral #mouth #SkinRash ... #dermatology #Differential
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
up borders); differential ... Indiana University Infectious ... Blastomycosis #SkinRash ... #dermatology #clinical ... #photo
HSV Herpetic Whitlow Infection of the Finger
20 F presents with painful finger, treated w/ oral cephalexin
oral or genital herpes ... inoculation of virus ... onset of edema, erythema ... distinguish from bacterial ... Finger #clinical #photo