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Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Acute Respiratory ... Distress Syndrome ... – ARDS: Clinical ... Cheat Sheet ... #CheatSheet #Diagnosis
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome ... (ARDS) - Respiratory ... week of a known clinical ... be present on a chest ... #Distress #Syndrome
Effect of Lung Recruitment and Titrated Positive End-Expiratory Pressure (PEEP) vs Low PEEP on Mortality in
Distress Syndrome ... moderate to severe ARDS ... increased 28-day all-cause ... Recruitment #PEEP #ARDS ... Postoperative #Pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
severity Acute Respiratory ... Distress Syndrome ... (ARDS): - Bilateral ... #differential #diagnosis ... #signs #Lung #POCUS
Preterm Infant Complications - Differential Diagnosis
Respiratory:
 • Transient Tachypnea of the Newborn (TTN)
 • Respiratory Distress
Respiratory: ... Distress Syndrome ... (RDS) • Chronic ... Lung Disease (CLD ... #Causes #Peds #
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
- Differential Diagnosis ... • Diffuse Lung ... • Acute Respiratory ... Distress Syndrome ... • Chronic Lung
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Weakness, Loss of Chest ... : Atelectasis, ARDS ... , Interstitial Lung ... #differential #diagnosis
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... pneumonia (COP), Respiratory ... Churg Strauss syndrome ... Diseases #ILD #diagnosis ... #causes
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... Etiology: • Acute respiratory ... distress syndrome ... (ARDS) • Opioid ... Transfusion-related acute lung
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Differential Diagnosis ... blood cells in the lung ... failure or ARDS ... infiltrates on chest ... scattered crackles, chest