37 results
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... Possible small plural effusion ... pleura in severe cases ... Possible bilateral effusion ... #pulmonary #differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Interstitial lung ... Abnormalities • Chest ... Diagnosis #Algorithm #Causes
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Effusion - Differential ... - Metastatic: Lung ... Cancer, Breast ... #Differential #
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - Differential ... Dyspnea (underlying lung ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... Diagnosis #Algorithm #causes
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
skin (esp. over areas ... pain, pleural effusion ... on CXR • RA inflammation ... tends to cause ... pathophysiology #signs
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemopericardium)- Differential ... metastatic spread: lung ... cancer, breast ... OTHER RARE CAUSES ... Hemopericardium #Differential
Cardiac incisura
Click image to enlarge.
On the right side of the chest the lung will lie against
the lung will lie ... inferior part of the lung ... pericardial fat or effusion ... This causes a density ... Clinical #Radiology #CXR
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... since in many cases ... we describe a chest ... visible wall #CXR ... #Lucency #Differential
Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
Luftsichel Sign ... lobe collapse causes ... the collapse lung ... or curtain and causes ... #XRay #CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Blood cultures • CXR ... early disease) • CXR ... Abscess Differential ... Abscess #pulmonary #differential