11 results
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
Hypoxemia - Partial ... PaO2) is below normal ... #hypoxemia #differential ... #diagnosis #comparison ... #pulmonary
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
Hypoxia and Hypoxemia ... blood (measured on ABG ... blood loss) or abnormal ... #pulmonary #differential ... #diagnosis #causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Abnormalities #Hypoxemia ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Intrapartum Abnormal Fetal HR Tracing - Causes of Variability & Decelerations - Differential Diagnosis Algorithm
Minimal/Absent Variability
Intrapartum Abnormal ... Diagnosis Algorithm ... bpm): • Mild hypoxia ... 70) • Tissue hypoxia ... #Diagnosis #Algorithm
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
ABG And BMP Normal ... Diagnosis: Causes ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... with associated hypoxia
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Diagnosis Algorithm ... Acquired Causes: • Hypoxia-driven ... : Cardiac/pulmonary ... altitude habitat • Hypoxia-independent ... #Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential ... #diagnosis
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diagnosis Algorithm ... Pulmonary Arterial ... Disease and/or Hypoxemia ... #Diagnosis #Algorithm
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
upright position • Hypoxemia ... cycles after right atrial ... blood gas (ABC) ... Quantifies degree of hypoxemia ... cirrhosis • Intra-pulmonary