64 results
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
• Indolent symptoms ... , hemoptysis Treatment ... • Carbapenem (e.g ... #Abscess #Diagnosis ... #CXR #ChestXRay
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
Pathogenesis and Clinical ... vertebrae • CT ... Spondylolisthesis #MSK #diagnosis ... #pathophysiology ... #signs #symptoms
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Fraction (HFrEF) Clinical ... Typical symptoms ... Less Typical Symptoms ... : weight gain, lung ... → no signs of CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Abscess Pathophysiology ... : 1. ... Lung Abscess - Clinical ... seen • Chest CT
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... , dyspnea, +/- CXR ... WBC >100k, + lab signs ... unless worrisome EKG ... Syndrome #TLS #diagnosis
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
endemic areas - 1- ... extrapulmonary cases Clinical ... Signs/Symptoms: ... tissue damage - CXR ... involvement - CT
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Pathophysiology ... Prednisone 5mg/kg ... : >3 symptoms, or ... > 1 with no other ... sepsis), PE, DAH, CHF
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
Risk factors: Critical ... ARDS to explain symptoms ... : Age>60, CKD, CHF ... fluid balance, and CXR ... Reactions #hematology #diagnosis
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... scattered, small (1 ... throughout the lungs ... #pulmonary #CXR ... #clinical #CT