11 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Drugs (antibiotics ... HepB, HepC Bacterial ... #Differential #Diagnosis ... #Dermatology #SkinRash
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... to 10 percent): antibiotics ... enteritis, ulcerative colitis ... - Bacterial ... #Differential #Diagnosis
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... - Differential Diagnosis ... Anticonvulsants • Antibiotics ... • Epstein-Barr Virus ... #Hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Haverhill fever caused ... nodules on the back ... of the pustular material ... #differential #diagnosis ... #dermatology #compared
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Encephalitis and Bacterial ... - Differential Diagnosis ... 10 weeks after erythema ... - History of erythema ... stain: Previous antibiotics
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... reactions • Erythema ... gangrenosum • Bacterial ... endocarditis ... #Differential #Diagnosis
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Differential Diagnosis ... by bacterial infections ... Glossopharyngeal neuromas Vagus ... Loss of vision or black ... #differential #diagnosis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... warmth, effusion, erythema ... : • Pain • Erythema ... weeks) Can Be Caused ... endocarditis
Pyoderma Gangrenosum in Ulcerative Colitis- ...left chest (Panel A) and leg (Panel B). The physical examination
were negative for bacterial ... A diagnosis of pyoderma ... second most common dermatologic ... disease after erythema ... #clinical #photo
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
to meningitis, endocarditis ... the key to the diagnosis ... or clindamycin Antibiotic ... Canimorsus #Skin #Rash #dermatology ... #clinical #photo