14 results
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Diffuse consolidation ... cardiogenic edema, to differentiate ... infection, ARDS ... #CXR #Diffuse # ... Consolidation #Differential
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
of Hemoptysis - Differential ... Malformation Normal CXR ... /CT • Hematemesis ... Abnormalities • CHF ... Vasculitis Infection
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... in HIV-AIDS Bacterial ... Evaluation: Imaging (CXR ... +/- High res CT ... diagnosis #evaluation #differential
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - Differential ... sweats, chills (infection ... lung disease or CHF ... ) • Abnormal CXR ... refer + order CT
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... infections according ... to CT-scan patterns ... Aspergillosis CONSOLIDATION ... ComputedTomography #Differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Hemorrhage, Edema • Consolidation ... #CT #Patterns # ... #pulmonary #radiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Opacities: • Infectious ... #Radiology #differential ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... allopurinol), Infection ... , anti-CCP • CXR ... high resolution chest ... CT • Bronchoscopy
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
exsudate due to infection ... capillary leak like in ARDS ... Clinical #Radiology #CTChest ... #CHF #Alveolar ... #Pulmonary #Edema
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Physical stigmata of cor ... centrilobular nodules, or consolidation ... CT) • Broncho-arterial ... #differential #