38 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease, ↓ chest ... #Diagnosis #Algorithm ... #pulmonary #Aa
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... vessel leading into a ... #diagnosis #radiology ... #clinical
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... surrounded by a ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Left Shunt - Anatomic ... UnremarkableLab #AA ... #diagnosis
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
's female with chest ... Differential/diagnosis ... RV, McConnell's sign ... Echocardiogram #A4c #clinical ... cardiology #McConnells #sign
Pulmonary Embolism with IVC Thrombus In Transit

A patient presents with chest pain. Which of the following
In Transit A ... presents with chest ... most support her diagnosis ... enlargement, McConnell sign ... Thrombus #InTransit #clinical
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... Air surrounding a ... fungal ball in a ... #diagnosis #radiology ... #clinical
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... hematogenous spread of a ... Miliary #Pattern #Chest ... #diagnosis #pulmonary ... #CXR #clinical
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
on Chest CT • Pulmonary ... nodule with a central ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Bronchus Sign on Chest CT
 • Airway leading directly to a peripheral lung nodule or mass
Chest CT • Airway ... leading directly to a ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical