26 results
Hypoxemia vs Hypoxia
Hypoxemia - Partial pressure of arterial oxygen (PaO2) is below normal
Hypoxia - Insufficient oxygen
Hypoxemia - Partial ... pressure of arterial ... #hypoxemia #differential ... #diagnosis #comparison ... #pulmonary
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Arterial Hypertension ... Defect ** • Atrial ... #Hypoxia #Differential
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
oxygen dissolved in arterial ... hemoglobin in arterial ... oxygen content of arterial ... #pulmonary #differential ... #diagnosis #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Diagnosis Framework ... direction leads to hypoxemia ... shunting (eg, atrial ... Respiratory #Failure #hypoxia ... Diagnosis #pulmonary
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diagnosis Algorithm ... Pulmonary Arterial ... Disease and/or Hypoxemia ... #Causes
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
ARRYTHMIA • ATRIAL ... FIBRILLATION • ATRIAL ... TACHYCARDIA • ATRIAL ... DISEASE • HYPOXIA ... #Differential #
Intrapartum Abnormal Fetal HR Tracing - Causes of Variability & Decelerations - Differential Diagnosis Algorithm
Minimal/Absent Variability
Fetal HR Tracing - Causes ... Diagnosis Algorithm ... bpm): • Mild hypoxia ... 70) • Tissue hypoxia ... Reduced maternal arterial
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
UnremarkableLab #AA ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential ... #diagnosis
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... Pulmonary arterial ... arterial hypertension ... disease and/or hypoxia ... Causes
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
anæmia • arterial ... hypoxemia - ... #Right #Shift #Differential ... #Causes #Diagnosis