22 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 ... CT 1. ... ARDS 3. ... Patterns #Lung #Pulmonary ... #diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
ARDS: Clinical ... Cheat Sheet ... sepsis-associated ARDS ... days after dx of ARDS ... #ARDS #Summary
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
(ARDS) - Respiratory ... be present on a chest ... severity of the ARDS ... >= 5cm H2O #ARDS ... #CriticalCare
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
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Stable Angina • Acute ... Coronary Syndrome ... Thickening/Masses Chest ... Pneumonia • ARDS
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
the severity Acute ... Respiratory Distress Syndrome ... (ARDS): - Bilateral ... #differential #diagnosis ... #signs #Lung #POCUS
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Weakness, Loss of Chest ... Elasticity (flail chest ... : Atelectasis, ARDS ... #differential #diagnosis
TRALI Diagnostic Criteria
TRALI type 1 - Patients who have no risk factors for ARDS and meet
risk factors for ARDS ... Acute onset, Hypoxemia ... on imaging (eg. chest ... chest CT, or ultrasound ... #criticalcare
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... on Chest CT • ... attenuation • DDx: sub-acute ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... on Chest CT • Parallel ... ABPA Kartagener's syndrome ... #CT #Lung #Pulmonary ... #diagnosis #radiology