11 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
heart failure, COPD ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC ... diagnosis #evaluation #differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... • Chronic Ground ... , COP, Chronic Eos ... Sarcoidosis, NSIP, COP
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Chronic post-infection ... (OP) or chronic ... proteinaceous material ... Radiology #Pulmonary #CXR ... #Chronic #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • Pleuritic CP ... • CT: Halo sign ... Abdominal pain, chronic
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
allopurinol), Infection ... anti-GBM ab, ANA, C3, C4 ... , anti-CCPCXR ... high resolution chest ... CT • Bronchoscopy
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic ... Diagnosis Pulmonary/Chest ... Pleural effusion, Pneumonia ... : Asthma, COPD, ... , Anaphylaxis, Infection
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
obstruction • COPD ... Physical stigmata of cor ... CT) • Broncho-arterial ... Laboratory: • ANA, RF, CCP ... Bronchiectasis #pulmonary #differential
Based on the images alone, it is usually not possible to determine the cause of the
or chronic illness ... between these chest ... Lobar pneumonia ... (OP) - multiple ... Diagnosis #Radiology #CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Chronic alcoholism ... necrosis (7-14 days later ... Blood cultures • CXR ... CT Lung Abscess
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Broncholithiasis - Differential ... • Nonspecific chronic ... • Recurrent pneumonia ... CT • Bronchoscopy ... Broncholithiasis #Differential