21 results
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 ... Hypoventilation Syndrome
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
obesity-hypoventilation syndrome ... : Interstitial lung ... direction leads to hypoxemia ... hepatopulmonary syndrome ... Respiratory #Failure #hypoxia
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Ultrasound Findings ... Possible bilateral effusion ... Acute Respiratory Distress ... Syndrome (ARDS) ... #POCUS #ultrasound
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... Embolism, Obstructive Lung ... , Interstitial Lung ... #Hypoxia #hypoxemia
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Syndrome (ARDS) ... explained by pleural effusions ... lobar collapse, lung ... severity of the hypoxemia ... Criteria #Diagnosis #CriticalCare
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Acute Respiratory Distress ... Syndrome – ARDS ... leading to increased pulmonary ... congestion with hypoxemia ... Diagnosis #Management #CriticalCare
COVID-19 Findings on Lung ultrasound
 - Thickened pleural line
 - B lines (multifocal, discrete, or confluent)
19 Findings on Lung ... ultrasound - ... consolidation - Pleural effusion ... alveolar interstitial syndrome ... patients with pulmonary
Effect of Lung Recruitment and Titrated Positive End-Expiratory Pressure (PEEP) vs Low PEEP on Mortality in
Effect of Lung Recruitment ... Acute Respiratory Distress ... Syndrome JAMA ... Postoperative #Pulmonary ... #CriticalCare
Severe Heart Failure & Cardiogenic Shock - Management Checklist 
Evaluation 
 - EKG & echocardiography
Shock - Management Checklist ... 1 — Treat the lungs ... edema - Large effusion ... causing acute distress ... (no B-lines on ultrasound
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... absence of intrinsic lung ... upright position • Hypoxemia ... on radioactive lung ... or pulmonary angiography