56 results
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
pulmonary infection ... underlying lung disease ... as disseminated disease ... #diagnosis #differential ... infectiousdiseases #NTM
Nontuberculous Mycobacteria
RAPID GROWERS: 
 • Mycobacterium abscessus, chelonae, fortuitum
SLOW GROWERS: 
 • Mycobacterium avium complex, marinum,
marinum, kansasii PULMONARY ... DISEASE: • Mycobacterium ... DISSEMINATED DISEASE ... #Mycobacteria #differential ... #diagnosis #microbiology
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
mycobacteria which can cause ... pulmonary disease ... with atypical mycobacterium ... #Clinical #Radiology ... #Mycobacteria #NTM
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
belonging to the Mycobacterium ... Cause Many Illnesses ... Pulmonary Disease ... diagnosis • Microbiologic ... #Infections #differential
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... - Differential ... Pneumonitis • Treatment ... #Differential # ... #pulmonary
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
appearances of pulmonary ... Hodgkin's lymphoma, Mycobacterium ... complex • Nodular/Masses ... Nocardia spp., Mycobacterium ... #diseases #differential
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
for enumerating differentials ... bocavirus Others: NTMs ... structural lung disease ... #Microbiology # ... Causes #Agents #
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
hematogenous spread of a disease ... Infectious - Mycobacterium ... Tuberculosis, NTB ... #diagnosis #pulmonary ... #CXR #clinical
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
non-productive cough, nausea ... failure • Severe pulmonary ... Epidemiologic exposure + clinical ... Leptospirosis #Leptospira #microbiology ... #diagnosis #treatment
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
mycobacterial infection (NTM ... characteristic features Clinical ... Tuberculosis Treatment ... Initiating Treatment ... Diagnosis #Management #Treatment