23 results
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Edema, Mucous Plugging ... Embolism, Pneumothorax ... - Physiologic: ARDS ... Edema, Alveolar ... Embolism, Emphysema
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
: Atelectasis, ARDS ... Edema, Atelectasis ... , Pulmonary Embolism ... , Obstructive Lung ... #Hypoxia #hypoxemia
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Aspiration, Flash Pulmonary ... Bronchospasm, Pulmonary ... Embolism, Pneumothorax ... ), Lung Exam, POCUS ... (B-lines, lung
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... • Interstitial lung ... Hypoventilation Syndrome ... #Diagnosis #Algorithm
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Response Management Algorithm ... pneumonia • Water: pulmonary ... edema • Air: ... atelectasis • Lung ... #rapid #pulmonary
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... leading to increased pulmonary ... congestion with hypoxemia ... consistent with pulmonary ... edema must be present
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
respiratory distress syndrome ... (ARDS) • Opioid ... embolism • Re-expansion ... pulmonary edema ... acute lung injury
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... Edema: - Widespread ... Respiratory Distress Syndrome ... (ARDS): - Bilateral ... Embolism (PE):
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Differential Diagnosis Algorithm ... Superior vena cava syndrome ... edema • Atelectasis ... • Interstitial lung ... embolismPulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
obesity-hypoventilation syndrome ... edema (most common ... direction leads to hypoxemia ... embolus SHUNT ... hepatopulmonary syndrome