11 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... - Differential Diagnosis ... antibiotics as a cause ... Scedosporium, endemic fungi ... #InfectiousDiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... Tropheryma whipplei, Fungi ... #differential #diagnosis ... #causes #culture ... #Endocarditis #InfectiousDiseases
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... • HACEK • Culture-negative ... Gram-negative bacilli • Fungi ... Gram-negative bacilli • Fungi ... #Differential #Diagnosis
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
fastidious bacteria or fungi ... but important causes ... Tropheryma whipplei, Fungi ... bacteria) and 18S ( fungi ... differential #workup #infectiousdiseases
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
include: bacteria, fungi ... • Chlorella Fungi ... Soil-related endemic fungi ... cause primary pulmonary ... #InfectiousDiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... ) • Fungi: Aspergillus ... Lung #Infections #Concurrent ... #Differential #Diagnosis ... #causes #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... ) • Fungi: Aspergillus ... Lung #Infections #Concurrent ... #Differential #Diagnosis ... #causes #infectiousdiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Pseudomonas FUNGAL ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis ... #infectiousdiseases
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pain, hemoptysis, dyspnea ... • Sputum/Blood cultures ... Prevotella • Fungal ... Lung #Abscess #pulmonary ... #differential #causes
Endocarditis - Overview and Differential Diagnosis Framework

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