15 results
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Malformation Normal CXR ... /CT • Hematemesis ... Abnormalities • CHF ... #Causes #Pulmonary
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
on Chest CT 1. ... Reverse Halo Sign ... Halo Sign 6. ... #Pulmonary #ChestCT ... #radiology #CTChest
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... Cylindrical or traction bronchiectasis ... #Tram #Track #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Signet Ring Sign on Chest CT
 • Prominently dilated airway compared to its accompanying pulm vessel.
Signet Ring Sign ... • DDx: Bronchiectasis ... #Signet #Ring #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Extrapulmonary manifestations of COVID-19
 • Neurologic: Headaches, Dizziness, Encephalopathy, Guillain-Barré, Ageusia, Myalgia, Anosmia, Stroke
 • Renal:
manifestations of COVID ... vein thrombosis, Pulmonary ... shock, Myocardial ischemia ... , Acute cor pulmonale ... Extrapulmonary #Diagnosis #Signs
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... bronchial obstruction caused ... CT demonstrated ... #Clinical #Radiology ... #CXR #CTChest #
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Differential Diagnosis Algorithm ... • Diffuse Lung ... • Chronic Lung ... Infection • Bronchiectasis ... #HeartFailure #Cardiology
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring sign ... the peripheral lung ... A signet-ring sign ... The most common cause ... #Pulmonary #Bronchiectasis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... Nasal polyps and signs ... in the adjacent lung ... high-resolution chest CT
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
sign which consists ... periphery of the lung ... In this case, pulmonary ... confirmed with chest CT ... #photo #CXR #EmergencyMedicine