138 results
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
to rnonths • Fever ... • Carbapenem (e.g ... #Abscess #Diagnosis ... #Pulmonary #Clinical ... #CXR #ChestXRay
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... CT • Distinct pulmonary ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... 760 mm Hg at sea level ... : Interstitial lung ... shunting (eg, pulmonary ... #Differential #Diagnosis
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... with low oxygen level ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... from the various causes ... Look for other signs ... #Diagnosis #Radiology ... #Pulmonary #CXR
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... ., CXR, CT, ultrasound ... ., fever/hypothermia ... chest pain) and signs ... #Pulmonolary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Lung Abscess - Clinical ... decubitus - air fluid level ... #Abscess #pulmonary
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... edema • BNP level ... <100 pg/ml EKG ... ischemic changes CXR ... Transfusion-related acute lung
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... .2016.12.033 #Halo #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... anteriorly in the left lung ... to a pneumonia caused ... #Clinical #Radiology ... #CXR #Pneumonia