19 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... • Lung biopsy: TBNA ... DDX: • CAP, ... #COP #BOOP #pulmonary ... #management
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... • Labs: CBC, cr ... • CXR (diffuse ... resolution chest CT ... out infection, biopsy
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Differential Diagnosis ... rarely typical pneumonia ... #pulmonary #CXR ... #clinical #CT
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... chest film and can ... suggest the diagnosis ... On the CT cavitation ... #CXR #CTChest #
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... be detected on CT ... or CXR ● PaO2/ ... oxygenation in pneumonia ... Summary #CheatSheet #Diagnosis
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae ... common cause of: CAP ... Exam, CXR, ENT ... exam, CT sinus ... #management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Blood cultures • CXR ... early disease) • CXR ... seen • Chest CT ... #Abscess #pulmonary
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Evaluation: Imaging (CXR ... +/- High res CT ... Blood and sputum cx ... HIVAIDS #workup #diagnosis
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... may aid in the diagnosis ... of pulmonary embolism ... confirmed with chest CT ... #photo #CXR #EmergencyMedicine
When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow).
Sometimes a
Sometimes a CT is ... fracture from a lung ... Notice the large lung ... #Clinical #Radiology ... #CXR #Old #RibFracture