32 results
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
CT • Distinct ... leading into a ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
CT • SPN or mass ... surrounded by a ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Left Shunt - Anatomic ... Embolism, Obstructive Lung ... , Interstitial Lung ... #differential #diagnosis
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
known clinical insult ... chest radiograph ... computed tomographic (CT ... lobar collapse, lung ... Definition #Criteria #Diagnosis
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
evaluation - Chest ... X-ray - Lung ultrasound ... look for focal a-lines ... iBookCC #COVID19 #algorithm ... #SARSCoV2 #Coronavirus
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
a fungal ball in ... a preexisting pulmonary ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Bronchus Sign on Chest CT
 • Airway leading directly to a peripheral lung nodule or mass
directly to a peripheral ... lung nodule or ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
CTPulmonary ... nodule with a central ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
attenuation seen on a ... chest CT in a lobular ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
POCUS Pulmonary ... POCUS - What’s the diagnosis ... #clinical #video ... #respiratory #Chest ... #Lung