47 results
Nail Clubbing - Differential Diagnosis Algorithm
Bronchopulmonary Disease
 • Bronchiectasis
 • Chronic Lung Infection
 • Lung Cancer
Diagnosis Algorithm ... • Chronic Lung Infection ... Immunodeficiency Virus ... Clubbing #Fingernail #dermatology ... #causes
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
Zoster: Herpes virus ... mediated infection ... vessicles in this case ... Images #Clinical ... #Photo #Dermatology
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Genital Lesions - Differential ... Diagnosis Algorithm ... Human papilloma virus ... #skinlesions #dermatology ... #causes
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... Diagnosis Algorithm ... Antineoplastic Viral Infection ... • Epstein-Barr Virus ... #Causes #Hematology
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... 55 percent) - Infections ... 1 percent) Infections ... #Differential # ... Diagnosis #Clinical
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Herpes simplex virus ... Pharyngitis #IDSA #diagnosis ... #differential # ... causes #bacteria ... #microbiology
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
a dermatophyte infection ... Caused by saprophytic ... lipid-dependent yeasts Clinical ... Tinea #Versicolor #Dermatology ... #Management
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... fungal ringworm infection ... mentagrophytes) Clinical ... Griseofulvin #Kerion #Dermatology ... #Diagnosis #Management
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
accumulation of clinical ... Assessment • Clinical ... +++: Virus (EBV, ... Drugs, Unknown cause ... #management #treatment
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Bacterial Meningitis - Differential ... • Common clinical ... rav7ks #CNS #Infections ... #differential #