12 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
negative culture Brain ... Dracunculiasis - Non-Infectious ... Cryptococcus, Blastomycosis ... - Non-Infectious ... Differential #Diagnosis #InfectiousDiseases
CENTRAL FACIAL / NASAL LESIONS
Bacteria:
 • Leprosy (saddle nose deformity)
 • Tuberculosis (lupus vulgaris)l
 • Endemic
Endemic treponemal infection ... rhinocleromatis) Fungus ... Invasive mold infection ... • Blastomycosis ... #diagnosis #infectiousdiseases
Cervical Lymphadenopathy - Lymph Node Drainage
Preauricular nodes - Drain scalp, skin
 • Differential diagnosis: Scalp infections,
diagnosis: Scalp infections ... mycobacterial infection ... genitourinary tract, pulmonary ... mycobacterial/fungal ... infections
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
isavuconazole BLASTOMYCOSIS ... meningitic disease Blastomycosis ... antigen testing Blastomycosis ... • Sinusitis • Brain ... ) #Mycoses #InfectiousDiseases
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
Soil Related Infections ... Mechanism Of Infection ... or sinus fungus ... blastomycosis ... differential #diagnosis #InfectiousDiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... ) • Fungi: Aspergillus ... Histoplasmosis, Blastomycosis ... #Lung #Infections ... Diagnosis #causes #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... ) • Fungi: Aspergillus ... Histoplasmosis, Blastomycosis ... #Lung #Infections ... Diagnosis #causes #infectiousdiseases
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Etiologies Unusual Infections ... Nocardia) - Endemic Fungi ... Histoplasmosis, blastomycosis ... Others: - Pulmonary ... abnormalities (Pulmonary
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
for Concurrent Brain ... and Lung Infections ... Toxoplasmosis • Fungi ... Histoplasmosis, Blastomycosis ... @ID_fellows #Brain
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
Most invasive infections ... presentations: • Pulmonary ... , Disseminated infection ... Management #treatment #fungal ... #infectiousdiseases