109 results
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... pleura reflection) Pneumonia ... Possible small plural effusion ... pleura in severe cases ... Possible bilateral effusion
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• CT: Halo sign ... Legionella: • Nausea ... factor • May cause ... , pleural effusion ... Infections #HIV #AIDS #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
: Interstitial lung ... ventilation (V) in the lungs ... : Pneumonia, asthma ... , COPD, pulmonary ... bypassing the lungs
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... • Infectious Causes ... Non-Infectious Causes ... Dermatomyositis, Lung ... Reverse #Halo #Sign
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... • Idiopathic pulmonary ... Acute, Chronic • Pulmonary ... #differential #pulmonary ... #causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Malformation • Severe Pneumonia ... Diagnosis #Algorithm #Causes ... #Pulmonary
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Lymphangioleiomyomatosis (LAM), • Pulmonary ... histiocytosis (PLCH ... leaking out of pulmonary ... Diseases #ILD #Causes
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Causes of Cough ... - Bacterial Pneumonias ... Tuberculosis - Lung ... Cancer of the Lung ... #Differential #Causes
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 ... caused by Sterptococcus ... pneumoniae. ... Radiology #CXR #Pneumonia
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Diseases - Pneumonia ... Pneumothorax - Effusion ... Emphysema - Pulmonary ... Radiology #Patterns #Lung