11 results
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 ... Consolidation 7. ... Organizing Pneumonia ... #Pulmonary #ChestCT ... #radiology #CTChest
Based on the images alone, it is usually not possible to determine the cause of the
and other non-pulmonary ... between these chest ... Lobar pneumonia ... nodular interstitial lung ... Clinical #Diagnosis #Radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... dyspnea • Lobar consolidation ... : • Chest pain ... Infections #HIV #AIDS #pulmonary
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... On the chest x-ray ... weight loss or long ... causes of chronic consolidation ... #Clinical #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... involvement of the lung ... vascular diseases (e.g ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... circumferential denser consolidation ... #CT #Lung #Pulmonary ... #diagnosis #radiology
CT Angiogram Sign on Chest CT
 • Prominent pulm vessels traversing through an area of parenchymal
CT Angiogram Sign ... of parenchymal consolidation ... CTAngiogram #Angiogram #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... a parenchymal consolidation ... Air #Crescent #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Lung infarction
The radiographic features of acute pulmonary thromboembolism are insensitive and nonspecific.
The most common radiographic findings
Lung infarction ... emboli the chest ... x-ray is normal ... The peripheral consolidation ... #Clinical #Radiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
murmur 3/6) - Pulmonary ... days before Pulmonary ... change CV risk Chest ... X-ray: • Not ... unless prior heart/lung