13 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... - Differential Diagnosis ... Autoimmune: Crohn's disease ... #InfectiousDiseases
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Pathophysiology ... Coccidioides • Parasite ... #pulmonary #differential
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterium abscessus ... pulmonary infection ... It can also cause ... Mycobacterium #diagnosis ... #differential #infectiousdiseases
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
- Differential Diagnosis ... in 24h Airway disease ... Necrotizing PNA, Abscess ... Mycetoma, Mucor), Parasitic ... #pulmonary #causes
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... salmonella, ...), Parasites ... : SLE+++, Adult-onset ... Still disease, ... Drugs, Unknown cause
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Pott's Disease in ... extrapulmonary cases ... symptoms of active pulmonary ... decreased reflexes Pathophysiology ... for concomitant pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Diagnosis Of NTM ... Exclusion of other diagnosis ... #differential #diagnosis ... #infectiousdiseases
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
- Differential Diagnosis ... jejuni • NTM Parasites ... endemic fungi cause ... disease • Aspergillus ... #InfectiousDiseases
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential Diagnosis ... Cerebral > Splenic, Pulmonary ... Septic emboli cause ... Treat underlying cause ... #cardiology #infectiousdiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
extrapulmonary disease ... or meningitic disease ... Aspergillosis Pathophysiology ... Sinusitis • Brain abscess ... ) #Mycoses #InfectiousDiseases