28 results
Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
which can cause pulmonary ... with atypical mycobacterium ... #Clinical #Radiology ... #CXR #Lateral # ... #Mycobacteria #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
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
likely to cause pulmonary ... underlying lung disease ... as disseminated disease ... #diagnosis #differential ... infectiousdiseases #NTM
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
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
belonging to the Mycobacterium ... Pulmonary Disease ... • Clinical (Symptoms ... diagnosis • Microbiologic ... #Infections #differential
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... most common) Clinical ... , hemoptysis Treatment ... Abscess #Diagnosis #Pulmonary ... #Clinical #CXR
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 ... and Culture • CXR ... Tuberculosis Treatment ... • Check CXR and
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 ... and Culture • CXR ... Tuberculosis Treatment ... • Check CXR and
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
failure • Severe pulmonary ... disease ARDS Diagnosis ... Epidemiologic exposure + clinical ... Leptospirosis #Leptospira #microbiology ... #diagnosis #treatment
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... M.tuberculosis, NTM ... Evaluation: Imaging (CXR ... Infectious Diseases ... diagnosis #evaluation #differential