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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 ... #Clinical #Radiology ... #CXR #Pneumonia
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • Pleuritic chest ... • CT: Halo sign ... factor • May cause ... #differential #diagnosis
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 ... caused by Streptcoccus ... #Clinical #Radiology ... #CXR #AirBronchogram
Chest Pain - Differential Diagnosis Framework

Cardiovascular Causes of Chest Pain:
 • Myocardium:
	- Myocarditis
	- CAD/ACS
	- Valvulopathy
	- Myopericarditis
Diagnosis Framework ... • Alveoli: - CHF ... - Pneumonia ... #Differential #Diagnosis ... #Causes #Cardiology
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Red Flags: • Fever ... disease or CHF) ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... #Algorithm #causes
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Lung POCUS Young ... POCUS lung exam ... partially seen shred sign ... NOT definitively diagnose ... #ultrasound
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Findings on Chest ... Organizing Pneumonia ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Chilaiditi Sign on Chest X-Ray
Anterior interposition of the colon between the hemidiaphragm and the liver.
Chilaiditi sign
on Chest X-Ray Anterior ... hemidiaphragm and the liver ... thus important to diagnose ... #Chest #XRay #CXR ... #clinical #radiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Blood cultures • CXR ... early disease) • CXR ... decubitus - air fluid level
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... , CT, ultrasound ... Inflammation (e.g., fever ... pain) and signs