120 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Mnemonic NO cause ... TB Viral: HSV ... , EBV, HIV, HepB ... , Syphilis Parasitic ... #Differential #
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
cytokines Common causes ... disease Rare causes ... CD3-CD4+ T cells ... Viral infections (HIV ... hypereosinophilia #HE #Differential
Blurry vision in a patient with HIV/AIDS
Anterior Segment:
 • Herpes zoster ophthalmicus
 • Keratitis (HSV, Staph,
a patient with HIV ... Posterior Segment: • HIV ... seen with lower CD4 ... vision #HIVAIDS #InfectiousDiseases ... Anterior #Posterior #Differential
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
Differential diagnosis ... /II, VZV, CMV, HIV ... , M. leprae • Parasitic ... #dermatology #InfectiousDiseases ... #Infections #Differential
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess - Differential ... antibiotics as a cause ... Negative #Abscess #Differential ... #Diagnosis #InfectiousDiseases
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Risks factor for HIV ... decreased PLT count: CBC ... Platelet #Disorders #Differential ... #Diagnosis #Causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... should be based on clinical ... Demyelinating disease caused ... CNS #Infections #differential ... opportunistic #InfectiousDiseases
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Infections in HIV-AIDS ... < 200: CMV, HSV ... Penicillium marneffei Parasitic ... diagnosis #evaluation #differential ... #CD4
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Causes of Encephalopathy ... - Differential ... Infectious (fungal, TB, parasitic ... complications of HIV ... Encephalopathy #Differential
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential ... etc) - Viral: HIV ... Bacterial: Sepsis - Parasitic ... Thrombocytopenia #Differential