9 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 ... Patterns #Lung #Pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... sliding/barcode sign ... pleura reflection) Pneumonia ... cases - Dynamic air ... Distress Syndrome (ARDS
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
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV ... • CT: Halo sign ... macrophages in HIV ... low if you have HIV ... #AIDS #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... Nasal polyps and signs ... thickening, presence of air-fluid ... CT) • Broncho-arterial ... , CCP, ANCA • HIV
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Diagnosis and Management ... Pneumonia Signs ... radiograph or CT ... CAP #Diagnosis #Management ... #treatment #Pulmonary
Pediatric Trauma Primary Survey: C-ABCDE
C - Catastrophic Bleeding - Life-threatening hemorrhage
 • Apply direct pressure/compression bandage
Apnea/poor effort, Signs ... ↓ BP is a late sign ... normalized vital signs ... blankets, forced-air ... Survey #CABCDE #management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Diagnosis and Management ... lat decubitus - air ... CT Lung Abscess ... Management: • ... Lung #Abscess #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 ... serious internal injury ... Pulmonary Contusion ... #Lung #Pulmonary