9 results
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... • Infection: TB ... Nasal polyps and signs ... high-resolution chest CT ... , CCP, ANCA • HIV
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... failure, COPD, Lung ... +/- High res CT ... Fungal, AFB), TB ... HIVAIDS #workup #diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
HIV: 2/3 pulmonary ... pneumothorax, bronchiectasis ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
HIV: 2/3 pulmonary ... pneumothorax, bronchiectasis ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
pp65 antigenemia test ... and CD4 50 or less ... Retinitis (Most common cause ... Pancreatitis • Pulmonary ... association with PJP/TB
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework ... • CT: Halo sign ... infiltrates, mimicking TB ... #AIDS #pulmonary ... #differential #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Blood cultures • CXR ... seen • Chest CT ... westermani • Other: TB ... #Abscess #pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Centrilobular nodules - Bronchiectasis ... Kansasii: • Mimics TB ... Advanced HIV (CD4 ... Imaging, high res CT
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... Several of the diagnoses ... a chest x-ray (CXR ... not seen on a CXR ... Radiology #CTChest #Lung