141 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 ... #Patterns #Pulmonary ... #Lung #Infections
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Annotated on Chest CT ... bronchopulmonary-segments-annotated-ct ... Segments #Chest #CT ... #CTChest #pulmonary ... #clinical #radiology
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... • CD4 < 200: Pulmonary ... Evaluation: Imaging (CXR ... +/- High res CT
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Opacities: • Infectious ... differential #diagnosis #pulmonary ... #CXR #clinical ... #CT
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Malformation Normal CXR ... /CT • Hematemesis ... Bronchitis Diffuse CT ... Vasculitis Infection ... Vascular • Pulmonary
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Sign on Chest CT ... • Distinct pulmonary ... #Vessel #Sign #CT ... #Lung #Pulmonary ... diagnosis #radiology #clinical
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
allopurinol), Infection ... , anti-CCP • CXR ... resolution chest CT ... DAH, rule out infection ... differential #diagnosis #nephrology
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
sweats, chills (infection ... Dyspnea (underlying lung ... ) • Abnormal CXR ... refer + order CT ... History of cancer, lung
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Sign on Chest CT ... sarcoidosis, mets to the lung ... #Halo #Sign #CT ... #Lung #Pulmonary ... diagnosis #radiology #clinical
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... most common) Clinical ... meropenem) #Lung ... Abscess #Diagnosis #Pulmonary ... #Clinical #CXR