7 results
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Centrifugum (EAC ... annulare centrifugum ... associations with infections ... #clinical #photo ... #dermatology #skinrash
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
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
Zoster: Herpes virus ... mediated infection ... superimposed bacterial ... Images #Clinical #Photo ... #Dermatology #SkinRash
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... 55 percent) - Infections ... to 10 percent): antibiotics ... - Bacterial ... Nodosum #Causes #Differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • ... inciting causes: infections ... of the pustular material ... comparison #table #differential ... #diagnosis #dermatology
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 - ... 10 weeks after erythema ... - History of erythema ... stain: Previous antibiotics ... rav7ks #CNS #Infections