18 results
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... Epiglottitis • Vocal cord ... pneumothorax, COPD ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Disease (Asthma, COPD ... Abnormalities • Chest ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
A Non-Invasive approach to Respiratory Failure
 • COPD and Ventilatory Failure → NiPPV with Bi-level Settings
Non-Invasive approach to Respiratory ... Failure • COPD ... Settings • CHF / Pulmonary ... #NonInvasive #Respiratory ... Failure #management #hypoxia
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... respiratory failure ... direction leads to hypoxemia ... Pneumonia, asthma, COPD ... #hypoxia #Differential
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Asthma vs COPD Presentation ... between attacks COPD ... Hyperresonance, Hypoxemia ... Subxiphoid PMI • COPD ... EricsMedicalLectures/ #Asthma #COPD
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Weakness, Loss of Chest ... Wall Elasticity (flail ... chest) • Low ... #Hypoxia #hypoxemia
COPD Physical Exam Likelihood Ratios
Barrel Chest - LR 1.5
Pursed Lip Breathing - LR 2.7
Reduced breath sounds
COPD Physical Exam ... LR 11.8 Early inspiratory ... SatyaPatelMD #COPD ... #PhysicalExam # ... LRs #diagnosis #pulmonary
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Differential Diagnosis Algorithm ... Pulmonary Arterial ... Disease and/or Hypoxemia ... : • COPD • Interstitial
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Post-dates pregnancy Cord ... Oligohydramnios • Cord ... prolapse • Cord ... Hypoventilation • Respiratory ... #Oxygenation #Hypoxia
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
Hypophosphatemia and Hypoxia ... tissues--> Tissue hypoxia ... phosphorus is seen in COPD ... patients with COPD ... #hypoxia #pathophysiology