40 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
first part of alveolar ... second part of alveolar ... across capillary-alveolar ... : Interstitial lung ... bypassing the lungs
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Edema, Alveolar ... Hemorrhage • Impaired Diffusion ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Cardiac, Vascular, Alveolar ... (↑Shunting), ↓Perfusion ... #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary
Alveolar Recruitment
Effect of Intensive vs Moderate Alveolar Recruitment Strategies Added to Lung-Protective Ventilation on Postoperative Pulmonary
Strategies Added to Lung-Protective ... Postoperative Pulmonary ... patients with hypoxemia ... #Lung #Recruitment ... #CriticalCare
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... disease • Pulmonary ... Septal Defect Pulmonary ... #Hypoxia #Differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Bronchospasm, Pulmonary ... Pneumothorax, Alveolar ... (JVP, edema), Lung ... POCUS (B-lines, lung ... Management #treatment #criticalcare
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive Lung ... Disease and more • Diffusion ... , Interstitial Lung ... #AA #Gradient #alveolar ... #Hypoxia #hypoxemia
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... Blood: diffuse alveolar ... pneumonia • Water: pulmonary ... atelectasis • Lung ... Algorithm #rapid #pulmonary
Balloon Visualization - Mechanical Ventilation Pressures - PIP, PPlat, PEEP

Peak Inspiratory Pressure (PIP): Dynamic pressure needed
fully inflate the lung ... forces of the lung ... Pressure (PPlat): Alveolar ... #PPlat #PEEP #CriticalCare ... Pathophysiology #Pulmonary
Massive Hemoptysis - Differential Diagnosis Framework and Management
Definition: 150-600 mL over 24 hours
Differential Diagnosis:
 • Tracheobronchial:
TB, Mycetoma, Alveolar ... Hemorrhage, Lung ... Primary Vascular: Pulmonary ... Intubation 2) Bad Lung ... #criticalcare