20 results
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... Epiglottitis • Vocal cord ... /asthma • Pleural ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Airway Disease (Asthma ... , COPD) • Vascular ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... - Differential Diagnosis ... Airway Disease: Asthma ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... A-a Gradient Normal ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... #pulmonary #Aa
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... direction leads to hypoxemia ... Causes: Pneumonia, asthma ... , COPD, pulmonary ... #hypoxia #Differential
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Asthma vs COPD Presentation ... Findings: Variably abnormal ... Hyperresonance, Hypoxemia ... : Persistently abnormal ... #Diagnosis #pulmonary
Intrapartum Abnormal Fetal HR Tracing - Causes of Variability & Decelerations - Differential Diagnosis Algorithm
Minimal/Absent Variability
Intrapartum Abnormal ... Decelerations - Differential ... Diagnosis Algorithm ... bpm): • Mild hypoxia ... 70) • Tissue hypoxia
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Diagnosis Algorithm ... Pulmonary Arterial ... Disease and/or Hypoxemia ... : • COPD • Interstitial
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... A-a gradient to normal ... Hypoventilation: CNS of Respiratory ... #Hypoxia #hypoxemia ... #differential #
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
Respiratory Acidosis ... obstruction • COPD ... , asthma, ↓ Drive ... alkalosis drive • Hypoxemia ... acidbase #workup #algorithm