45 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
COVID-19 Patterns ... Lung Findings on Chest ... CT 1. ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
lesions than the chest ... the diagnosis in ... The chest film shows ... #Clinical #Radiology ... #CXR #CTChest #
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Algorithm Red ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... refer + order CT ... #Algorithm #causes
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Heart failure - CAD ... - Water - Pus ... of Dyspnea: • Chest ... Obesity - Flail chest ... Transverse myelitis • Hematology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... - Differential Diagnosis ... HiRes #HighRes #Chest ... #CT #Patterns # ... #pulmonary #radiology
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... CT • Central GGO ... consolidation • DDx: COP ... LG, GPA, lipoid pna ... #diagnosis #radiology
CT Angiogram Sign on Chest CT
 • Prominent pulm vessels traversing through an area of parenchymal
CT Angiogram Sign ... on Chest CT • ... mucinous adeno Ca ... post-obstructive pna ... #diagnosis #radiology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Disease Abnormal Chest ... Snoring Chronic Chest ... #Algorithm #Causes ... #Hematology
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... on Chest CT • ... RB, Mycoplasma pna ... #Head #Cheese #Sign ... #diagnosis #radiology
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign ... on Chest CT • ... NTM, atypical pna ... #CT #Lung #Pulmonary ... #diagnosis #radiology