36 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... blood (measured on ABG ... ) - Low PaO2 ISCHEMIC ... sepsis) - High PaO2 ... #pulmonary #differential
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
Hypoxemia vs Hypoxia ... Hypoxemia - Partial ... arterial oxygen (PaO2 ... compensate for low PaO2 ... diagnosis #comparison #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary ... Diffusion Defect: Pulmonary ... #Hypoxia #hypoxemia
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... with associated hypoxia
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... lung disease • Pulmonary ... #Diagnosis #Algorithm ... #Causes #Pulmonary
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... #Hypoxia #Differential ... #Diagnosis #Algorithm ... #pulmonary #Aa
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... Aspiration, Flash Pulmonary ... Bronchospasm, Pulmonary ... BNP, Troponin), ABG ... #Hypoxia #Workup
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... Response Management Algorithm ... pneumonia • Water: pulmonary ... Diagnosis #Management #Algorithm ... #rapid #pulmonary
Oxygen Saturation - Measurement Techniques and Limitations
 • Sp02 - Cutaneous pulse oximeter
 • SaO2 Calculated
pulse oximeter • SaO2 ... Point-of-care handheld ABG ... device • SaO2 ... #Measurement #pulmonary
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
• Orthopnea - PaO2 ... upright position • Hypoxemia ... Quantifies degree of hypoxemia ... cirrhosis • Intra-pulmonary ... perfusion scanning or pulmonary