65 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
adenopathy and pleural effusion ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... with peripheral areas ... #HRCT #CTChest ... Pattern #Comparison #Table
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
 •
defined spared areas ... Large pleural effusion ... localized pleural effusion ... more deaerated areas ... Ultrasound #Comparison #Table
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemorrhagic Pericardial Effusions ... : lung cancer, breast ... tuberculous pericardial effusions ... #Pericardial #Effusion ... Differential #Diagnosis #cardiology
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
of Pericardial Effusion ... : Lung Cancer, Breast ... #Pericardial #Effusion ... Diagnosis #Causes #cardiology
Flail Chest on Physical Exam
Flail chest after 3 or more ribs are broken in 2 areas
Flail Chest on Physical ... Exam Flail chest ... are broken in 2 areas ... paradoxical motion of a chest ... respiratory #clinical #video
Malignant Pericardial Effusion on POCUS

Stable vitals, mild shortness of breath, h/o metastatic breast CA, with obvious
Malignant Pericardial Effusion ... on POCUS Stable ... mild shortness of breath ... h/o metastatic breast ... , with obvious effusion
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Diagnosis Algorithm ... Infarction • Stable ... • Pleural Effusion ... ChestPain #Noncardiac #Cardiology ... Differential #Diagnosis #Algorithm
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Differential Diagnosis Algorithm ... Pericardial • Effusion ... Artery Disease • Stable ... Abnormalities • Pleural Effusions ... Thickening/Masses Chest