10 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Reverse Halo Sign ... ARDS 3. ... Organizing Pneumonia ... #Lung #Pulmonary
Pertinent Chest x-ray Findings in the Trauma Patient and Implications
Respiratory distress without x-ray findings - Central
Pneumothorax, pulmonary ... , pulmonary contusion ... , pulmonary contusion ... Gastrointestinal (GI) gas pattern ... trauma #diagnosis #signs
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... infiltrate (e.g., CXR, CT ... , ultrasound) - ... pain) and signs ... #Pneumonia #Venn
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... pleura reflection) Pneumonia ... cases - Dynamic air ... Distress Syndrome (ARDS ... #Lung #POCUS #ultrasound
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... • CT: Halo sign ... : • Chest pain ... Infections #HIV #AIDS ... #pulmonary #differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... diffuse inhalational injury ... rarely typical pneumonia ... differential #diagnosis #pulmonary ... CXR #clinical #CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... Loss of weight • Chest ... Nasal polyps and signs ... thickening, presence of air-fluid ... CT) • Broncho-arterial
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 this case, pulmonary ... confirmed with chest ... CT angiography.
TRALI Diagnostic Criteria
TRALI type 1 - Patients who have no risk factors for ARDS and meet
< 90% on room air ... evidence of bilateral pulmonary ... on imaging (eg. chest ... chest CT, or ultrasound ... diagnosis #Criteria #pulmonary
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... SpO2 88% on room air ... radiograph pattern ... Pulmonary Contusion ... #Lung #Pulmonary