10 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 ... Crazy-Paving Pattern ... Organizing Pneumonia ... #Patterns #Lung ... #Pulmonary #ChestCT
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... low attenuation pattern ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Diagram
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Venn Diagram - Does ... Diagnosis is generally ... symptoms (e.g., dyspnea ... chest pain) and signs ... #Diagram #Diagnosis
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... to look at the pattern ... more than one pattern ... #Pulmonary #CXR ... Differential #Table #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... realise, that these patterns ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
History: cough, dyspnea ... consolidation and GG pattern ... - Diagnosis: ... , Pulmonary lymphoma ... #ILD #diagnosis
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
sarcoidosis the common pattern ... adenopathy ('1-2-3-sign ... #Diagnosis #Radiology ... #Pulmonary #Mediastinal ... #Differential #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... #Pulmonary #HRCT ... NodularPattern #Nodular #Pattern ... Perilymphatic #Comparison #Diagram ... #RadiologyAssistant
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
may show this pattern ... common cause of dyspnea ... #Breathing #Patterns ... #Pulmonary #Abnormalities ... #Abnormal #Diagnosis
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... Several of the diagnoses ... considering the diagnosis ... chest radiograph pattern ... His dyspnea continued