12 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... sweats, chills (infection ... ) • Abnormal CXR ... refer + order CT ... Diagnosis #Algorithm #causes
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... heart due to a chronic ... , ARDS, near-drowning ... #Diagnosis #Radiology ... #Pulmonary #CXR
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Lymphangitic Carcinoma, Interstitial ... #CT #Patterns # ... #pulmonary #radiology
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... Lymphocytic or lymphoid interstitial ... +/- High res CT ... chest scan), CBC ... diagnosis #evaluation #differential
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... Granulomatous lymphocytic interstitial ... Chest CT: • Ground-glass ... DDX - Other causes ... Malignancies • Chronic
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Infarction - peripheral ... this is nodular interstitial ... Clinical #Diagnosis #Radiology ... #CXR #Lobar #Consolidation
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation causes ... Most Common Causes ... Physical stigmata of cor ... CT) • Broncho-arterial ... Bronchiectasis #pulmonary #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... pneumonia • Chronic ... CT Lung Abscess ... #causes #management
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CT: Halo sign ... Abdominal pain, chronic ... factor • May cause ... fever, rales, interstitial ... #HIV #AIDS #pulmonary
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
organizing pneumonia, ARDS ... • Chronic toxicity ... (e.g., chronic ... failure - Infectious ... Pulmonary #diagnosis #management