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Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... consistent with pulmonary ... edema must be present ... be detected on CT ... or CXR ● PaO2/
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
- Nodular - Acute ... Pulmonary Edema ... #Diseases #Radiology ... #Patterns #Lung ... #CXR #XRay #ChestCT
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
• A lack of acute ... ischemic changes CXR ... distress syndrome (ARDS ... lung injury (TRALI ... #diagnosis #cardiology
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
ARDS/VALI progression ... involvement, with “white lung ... oedema due to heart ... #Clinical #Radiology ... #CXR #ChestXRay
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
edema due to heart ... patients, who have an acute ... infection, ARDS ... #Diagnosis #Radiology ... #Pulmonary #CXR
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Berlin Criteria for Acute ... consistent with pulmonary ... edema must be present ... computed tomographic (CT ... lobar collapse, lung
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
: Age>60, CKD, CHF ... At least 3 of (Acute ... fluid balance, and CXR ... with pulmonary ... edema) • Fever
There are three principal varieties of pulmonary edema: cardiac, overhydration and increased capillary permeability (ARDS). 
The
edema: cardiac, ... permeability (ARDS ... permeability or acute ... #Clinical #Radiology ... #CXR #CHF #Vascular
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
: weight gain, lung ... HFrEF may lack lung ... (Sens. 81% for acute ... CXR congestion. ... diagnosis #management #cardiology
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
Paving on Chest CT ... DDx: PAP, pulm edema ... pna, pulm hge, ARDS ... #Lung #Pulmonary ... #diagnosis #radiology