13 results
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Bronchiectasis • Abscess ... Malformation Normal CXR ... /CT • Hematemesis ... Bronchitis Diffuse CT ... #Causes #Pulmonary
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Evaluation: Imaging (CXR ... +/- High res CT ... Blood and sputum cx ... HIVAIDS #workup #diagnosis ... #evaluation #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Blood cultures • CXR ... seen • Chest CT ... Differential Diagnosis ... #pulmonary #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... Infections #HIV #AIDS #pulmonary ... #differential #
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Diagnosis for Pulmonary ... • Labs: CBC, cr ... anti-GBM ab, ANA, C3, C4 ... , anti-CCP • CXR ... resolution chest CT
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
be detected on CT ... or CXR ● PaO2/ ... the underlying cause ... oxygenation in pneumonia ... Summary #CheatSheet #Diagnosis
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Diagnosis of Miliary ... rarely typical pneumonia ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases ... symptoms of active pulmonary ... tissue damage - CXR ... for concomitant pulmonary ... involvement - CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... Physical stigmata of cor ... high-resolution chest CT ... #differential # ... diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Advanced HIV (CD4 ... Diagnosis Of NTM ... Imaging, high res CT ... NTM #Infections #differential