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ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
involvement, with “white lung ... normal-sized heart and ... the differential diagnosis ... #Clinical #Radiology ... #CXR #ChestXRay
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... Acute onset over 1 ... consistent with pulmonary ... detected on CT or CXR ... Summary #CheatSheet #Diagnosis
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest CT 1. ... ARDS 3. ... #Pulmonary #ChestCT ... #radiology #CTChest ... #diagnosis
Differentiating PAH from PVH - Echocardiography
Pulmonary Artery Hypertension (PAH):
 • RV size - Enlarged
 • LA
• ElA ratio << 1 ... Differentiating #PAH #PVH #Echocardiogram ... #comparison #diagnosis ... #cardiology #pulmonary ... #arterial #venous
Sarcoidosis
Stage 1 - Bilateral LAD without involvement of lung parenchyma
Stage 2 - Bilateral LAD with involvement
Sarcoidosis Stage 1 ... 4 - Fibrosis Pulmonary ... pulmonary hypertension ... Lofgren Syndrome - Triad ... #Sarcoidosis #Diagnosis
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
Batwing A bilateral ... most typical of pulmonary ... both cardiogenic and ... #Diagnosis #Radiology ... #CXR #Batwing #
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
- Bilateral ... lobar collapse, lung ... must be present, as ... by the ratio of arterial ... Definition #Criteria #Diagnosis
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: 1. ... ischemic changes CXR ... distress syndrome (ARDS ... Transfusion-related acute lung ... #cardiology
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... - Lung neoplasms ... proteinaceous material ... #Diagnosis #Radiology ... #Pulmonary #CXR
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
bilateral hilar ... adenopathy ('1- ... In lung carcinoma ... #Diagnosis #Radiology ... #Pulmonary #Mediastinal