24 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... Infections #HIV #AIDS ... #pulmonary #differential
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 ... CT 1. ... ARDS 3. ... Organizing Pneumonia ... #CTChest #diagnosis
Causes of Acute Pediatric Cough - Differential Diagnosis Algorithm
No Fever, No Tachypnea
 - Normal Chest Auscultation
Acute Pediatric Cough ... - Differential ... Diagnosis Algorithm ... Tachypnea - Normal Chest ... • Post-nasal drip
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... dyspnea, productive cough ... Abscess Diagnosis ... CT Lung Abscess ... Abscess Differential
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Differential Diagnosis ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... refer + order CT ... #Differential #
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 ... e.g., dyspnea, cough ... pain) and signs
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... rarely typical pneumonia ... #Radiology #differential ... #CXR #clinical ... #CT
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... non-productive cough ... dealing with the differential ... #Clinical #Radiology ... #CXR #Peripheral
#radiology #ctchest #differential

Differential Diagnosis of Ground-glass Opacity.

Some abbreviations
HP: Hypersensitive pneumonitis
DIP: Desquamative interstitial pneumonia
PAP: Pulmonary alveolar proteinosis
MIA:
#radiology #ctchest ... Differential Diagnosis ... Hypersensitive pneumonitis DIP ... Desquamative interstitial pneumonia ... adenocarcinoma AIS