22 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Abscess Pathophysiology ... Blood cultures • CXR ... early disease) • CXR ... Coccidioides • Parasite
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... is interstitial lung ... #Diagnosis #Radiology
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
commonly liver and lung ... Echinococcus #LifeCycle #diagnosis ... #pathophysiology ... infectiousdiseases #cdc #parasite
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
viruses, fungi, parasites ... proteins detect and bind ... complement fragment bind ... Memory B cells are long-lived ... Humoral #Immunity #pathophysiology
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... Variable) - Fungal, parasites ... #Eosinophilic #Lung ... #differential #diagnosis ... #comparison #table
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Differential Diagnosis ... - Disseminated Parasites ... #differential #diagnosis ... #pulmonary #CXR
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
lucencies within the lung ... density in the lung ... visible wall #CXR ... #Differential #Table ... #Pulmonary #Diagnosis
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
friction rub audible Lungs ... pleural effusion on CXR ... cause interstitial lung ... RheumatoidArthritis #RA #pathophysiology ... signs #symptoms #diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Penicillium marneffei Parasitic ... failure, COPD, Lung ... Evaluation: Imaging (CXR ... Blood and sputum cx ... HIVAIDS #workup #diagnosis
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
blood donor • Pathophysiology ... transfusion • Pathophysiology ... fluid balance, and CXR ... Reactions #hematology #diagnosis ... #comparison #table