29 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest CT ... Reverse Halo Sign ... Halo Sign 6. ... Vascular Enlargement ... #CTChest #diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... Consolidations - "Shred" sign ... Cardiogenic Pulmonary Edema ... #differential #diagnosis ... #signs #Lung #POCUS
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
increased pulmonary vascular ... with pulmonary edema ... be detected on CT ... or CXR ● PaO2/ ... Summary #CheatSheet #Diagnosis
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... from the various causes ... Look for other signs ... #Diagnosis #Radiology ... #Pulmonary #CXR
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
More Specific Signs ... Less Specific Signs ... Chest x-ray: signs ... acute HF → no signs ... of CXR congestion
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... ischemic changes CXR ... • Pulmonary vascular ... respiratory distress syndrome ... #cardiology
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram Sign ... DDx: pna, pulm edema ... #Bronchogram #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Clinical manifestations of anaphylaxis. 
Neurological (<15%): Dizziness, syncope, seizures, Confusion, impending doom. headache
Angioedema: Lips, tongue, orbit,
arrest, Kounis syndrome ... Lungs and airway ... arrest GI (>40%): Nausea ... #anaphylaxis #signs ... #symptoms #diagnosis
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... ABPA Kartagener's syndrome ... #Tram #Track #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology