103 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... Lymphadenopathy, Chest ... : • Chest pain ... factor • May cause ... , pleural effusion
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
A-lines (parietal pleura ... reflection) Pneumonia ... effusion - Reduced ... to thickened pleura ... in severe cases
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Malformation • Severe Pneumonia ... Neuromascular Weakness • Pleural ... Abnormalities • Chest
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Pericardial • Effusion ... EffusionsPleural ... Chest Wall Abnormalities ... Pulmonary Alveoli • Pneumonia
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
 •
Main Lung Ultrasound ... superimposed bacterial pneumonia ... Large pleural effusion ... effusion in the ... COVID19 #POCUS #Lung
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
On the chest x-ray ... weight loss or long ... include the list of causes ... caused by Streptcoccus ... #RadiologyAssistant
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... Parenchyma: • Pneumonia ... • Interstitial lung ... malformation Pleura ... : • Pleural effusion
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
anteriorly in the left lung ... caused by Sterptococcus ... pneumoniae. ... Radiology #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... Wall/Pleura ... Pneumothorax • Pleural ... Effusion ... Parenchymal • Pneumonia
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... Unknown • 6-7 cases ... Rare: pleural effusions ... , pleural thickening ... Diagnosis: • Lung