21 results
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
Diagnostic approach ... Chest X-ray - Lung ... ultrasound (thorough ... as clinically indicated ... , EKG) Dr.
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
Idioventricular Rhythm (AIVR ... Ventricular origin ... #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram ... #clinical
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
point (negative in aVR ... or idiopathic ventricular ... #Cardiology #diagnosis ... Electrocardiogram #ECG ... #Clinical
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... consolidation or nodular ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
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 ... in the proper clinical ... abutting the pleura, air-bronchograms ... #Clinical #Radiology
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
COVID-19 Chest CT - Case 4

Main aspects of the image: multiple opacities in the glass and
COVID-19 Chest CT ... at times with a nodular ... periphery of two lungs ... Radiologia Torácica ... SARSCoV2 #CTChest #Clinical
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
Renal Calculus AXR ... is desirable, e.g ... radiation dose Ultrasound ... scan) when an ultrasound ... stones #calculus #Radiology
This is a parasternal long axis view of a young patient presenting with 3 days of
x-ray and and ECG ... Beside ultrasound ... , the right ventricular ... Northwestern University #Clinical ... #EM #Radiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung Abscess - Clinical ... lat decubitus - air ... seen • Chest CT ... • Vasculitis (e.g