12 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... • Nocardia • Parasitic ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
#differential # ... diagnosis #causes ... #Endocarditis #InfectiousDiseases ... #Microbiology # ... CNIE #BCNIE #cardiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... : • CBC - Leukocytosis ... Coccidioides • Parasite ... Abscess Differential ... Abscess #pulmonary #differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... seen and in many cases ... #Diagnosis #Radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... possible in HIV PARASITIC ... AIDS #pulmonary #differential ... #diagnosis #infectiousdiseases
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
since in many cases ... describe a chest X-ray ... #CXR #Lucency #Differential ... #Pulmonary #Diagnosis ... #Radiology
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain and Lung ... Coccidioides • Parasite ... Infections #Concurrent #Differential ... #Diagnosis #causes ... #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain and Lung ... Coccidioides • Parasite ... Infections #Concurrent #Differential ... #Diagnosis #causes ... #infectiousdiseases
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Advanced HIV (CD4 ... • Microbiologic ... NTM #Infections #differential ... #diagnosis #infectiousdiseases
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... Hypercoagulable (APLAS) Microbiology ... Septic Emboli Cause ... Marantic (NTBE) Differential ... Treat underlying cause