22 results
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 ... oxtvmJe1RmlxFFJpzgymkqdNRFOw%3D%3D #CT ... Differential #Diagnosis #Chest
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
evidence of a chest ... infiltrate (e.g., CXR ... , CT, ultrasound ... production, pleuritic chest ... #Pneumonia #Venn
Flail Chest Breathing on Physical Exam
74 year-old male, fallen over in the garden. Four rib fractures.
Flail Chest Breathing ... a flail chest, initially ... fractures missed by CXR ... , so use CT to identify ... rob_cosentini #Flail #Chest
Flail Chest Breathing on Physical Exam
74 year-old male, fallen over in the garden. Four rib fractures.
Flail Chest Breathing ... a flail chest, initially ... fractures missed by CXR ... , so use CT to identify ... rob_cosentini #Flail #Chest
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... rarely typical pneumonia ... Miliary #Pattern #Chest ... #CXR #clinical ... #CT
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Edema, Hemorrhage, Pneumonia ... Hypersensitivity Pneumonia ... HiRes #HighRes #Chest ... #CT #Patterns #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... identified, Strep pneumoniae ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... • CT: Halo sign ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain
Salmonella enterica Aortitis - chest radiograph showed enlargement of the aortic arch, with deviation of the
enterica Aortitis - chest ... tomography of the chest ... Clinical #Radiology #CXR ... #CT #Salmonella ... Enterica #Aortitis #NEJM
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
allopurinol), Infection ... , anti-CCP • CXR ... high resolution chest ... CT • Bronchoscopy ... DAH, rule out infection