21 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Reverse Halo Sign ... ARDS 3. ... Consolidation 7. ... Organizing Pneumonia ... #Pulmonary #ChestCT
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... : - Consolidation ... Distress Syndrome (ARDS ... #differential #diagnosis ... #signs #Lung #POCUS
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... complete ring of consolidation ... Dermatomyositis, Lung ... , Pulmonary embolism ... #pulmonary
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
most typical of pulmonary ... it is seen in pneumonias ... Reverse Batwing ... #Diagnosis #Radiology ... #CXR #Batwing #
Based on the images alone, it is usually not possible to determine the cause of the
Lobar pneumonia ... Organizing pneumonia ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
consolidations ... involvement, with “white lung ... the differential diagnosis ... #Clinical #Radiology ... #CXR #ChestXRay
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Clinical manifestations ... - Imaging: • CXR ... - Diagnosis: ... , Pulmonary lymphoma ... #ILD #diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... dyspnea • Lobar consolidation ... Infections #HIV #AIDS ... #pulmonary #differential
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
sliding: Pulmonary ... edema, ARDS, interstitial ... partially seen shred sign ... NOT definitively diagnose ... #Lung #POCUS #clinical
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
: Clinical Cheat ... leading to increased pulmonary ... detected on CT or CXR ... oxygenation in pneumonia ... Summary #CheatSheet #Diagnosis