9 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Lung Findings on Chest ... Reverse Halo Sign ... ARDS 3. ... Halo Sign 6. ... #CTChest #diagnosis
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... be present on a chest ... computed tomographic (CT ... severity of the ARDS ... >= 5cm H2O #ARDS
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
Crazy Paving on Chest ... pna, pulm hge, ARDS ... Crazy #Paving #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
TRALI Diagnostic Criteria
TRALI type 1 - Patients who have no risk factors for ARDS and meet
risk factors for ARDS ... < 90% on room air ... on imaging (eg. chest ... chest CT, or ultrasound ... with ARDS) or who
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... inflammation Symptoms ... Loss of weight • Chest ... Nasal polyps and signs ... high-resolution chest
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
respiratory failure or ARDS ... infiltrates on chest ... • Signs/Symptoms ... scattered crackles, chest ... • Signs/Symptoms
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
cytotoxic lung injury ... • Amiodarone half ... organizing pneumonia, ARDS ... Pleuritic chest ... reticular opacities on chest
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
is a radiologic sign ... hump along may aid ... in the diagnosis ... confirmed with chest ... CT angiography.
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... • CT: Halo sign ... Lymphadenopathy, Chest ... Pneumonia: • Chest ... Infections #HIV #AIDS