13 results
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... embolus I = infection ... (TB, fungal, staph ... Cavitary #Lesions #Differential ... #Lung #Pulmonary
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
cancer • Septic emboli ... • Lung abscess ... characteristic features Clinical ... and Culture • CXR ... disease • Check 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
cancer • Septic emboli ... • Lung abscess ... characteristic features Clinical ... and Culture • CXR ... disease • Check CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... westermani • Other: TB ... #Abscess #pulmonary ... #differential # ... causes #management
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... Causes include: ... ischemic changes CXR ... embolism • Re-expansion ... Transfusion-related acute lung
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
CD4 > 200: Pulm embolism ... failure, COPD, Lung ... Evaluation: Imaging (CXR ... Fungal, AFB), TB ... diagnosis #evaluation #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... via ASD • Metastatic ... Treat underlying cause
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
In pulmonar embolism ... In this case a lung ... The pulmonary embolus ... #Clinical #Radiology ... #CXR #CTChest #
Lung infarction
The radiographic features of acute pulmonary thromboembolism are insensitive and nonspecific.
The most common radiographic findings
Lung infarction ... In most cases of ... pulmonary emboli ... #Clinical #Radiology ... #CXR #PulmonaryEmbolism
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
• Infection: TB ... Physical stigmata of cor ... in the adjacent lung ... of the affected lung ... #differential #