9 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
COVID-19 Patterns ... on Chest CT 1. ... Organizing Pneumonia ... #Pulmonary #ChestCT ... #radiology #CTChest
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper lung ... supplying the lung ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
for Klebsiella pneumonia ... Blood cultures • CXR ... early disease) • CXR ... CT Lung Abscess ... #Abscess #pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... rarely typical pneumonia ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
features of COVID ... -19 pneumonia Lung ... and effusion - Pulmonary ... #pneumonia #ChestCT ... POCUS #features #Radiology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
aches, joint pain, chest ... Inhalation of spores ... change in the lungs ... nails, bronchi, lungs ... infection have positive
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
Obstructive lung ... After treatment ... #Clinical #Radiology ... #CXR #CHF #Alveolar ... #Pulmonary #Edema
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
vancomycin (if SSTI or port ... suspected) - CT ... chest; CT abdomen ... interventional radiology ... renal failure, pulmonary
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Pertinent positives ... x-ray (CXR), try ... not seen on a CXR ... #Radiology #CTChest ... #Lung #Pulmonary