8 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
Hypoxia and Hypoxemia ... to meet demands Hypoxemia ... dissolved & Hb bound) HYPOXEMIC ... #Hypoxemia #summary ... #pulmonary #differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Pulmonary Arterial ... Malformation • Severe Pneumonia ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemia in Anesthesiology - Differential Diagnosis and Management 

Management: 

• increase Fi02 to 100% - verify!
Hypoxemia in Anesthesiology ... - Differential ... • increase Fi02 ... • arterial blood ... MarkHarrisMD #Hypoxemia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... Elevation, Low Fio2 ... Atelectasis, ARDS, Pneumonia ... Gradient #alveolar #arterial ... #hypoxemia #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... common cause of hypoxemic ... direction leads to hypoxemia ... • Causes: Pneumonia ... supplemental oxygen #Hypoxemic
Community Acquired Pneumonia - Presenting Features
 • History in favor of CAP: Dyspnea, Cough, particularly if
Community Acquired ... Pneumonia - Presenting ... , Tachycardia, Hypoxemia ... when secondary to bacterial ... breaths/min, PaO2 / FiO2
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Community Acquired ... (LR + 2.7) • Hypoxia ... • PaO2/FiO2 ratio ... or CT Scan Bacterial ... treatment #Pulmonary #Community
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Lethargic and severely hypoxemic ... dissolved in the PaO2/FiO2 ... Sudden onset of hypoxemic ... • Symptoms: Hypoxemic ... dyspnea, tachypnea, hypoxemia