16 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Disease (Asthma, COPD ... Abnormalities #Hypoxemia ... #Hypoxia #Differential ... #Causes #Pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... of hypoxemic respiratory ... direction leads to hypoxemia ... , asthma, COPD, ... #hypoxia #Differential
Intrapartum Abnormal Fetal HR Tracing - Causes of Variability & Decelerations - Differential Diagnosis Algorithm
Minimal/Absent Variability
Intrapartum Abnormal ... Fetal HR Tracing - Causes ... bpm): • Mild hypoxia ... 70) • Tissue hypoxia ... #Causes #Obstetrics
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Pulmonary Arterial ... Disease and/or Hypoxemia ... : • COPD • Interstitial ... #Causes
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Findings: Variably abnormal ... 70%, Scooped out expiratory ... curve, Low peak expiratory ... Hyperresonance, Hypoxemia ... comparison #Diagnosis #pulmonary
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Differential Diagnosis Algorithm ... Hypoventilation • Respiratory ... #Oxygenation #Hypoxia ... Differential #Diagnosis #Algorithm ... #Causes #Obstetrics
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
Hypophosphatemia and Hypoxia ... tissues--> Tissue hypoxia ... Phosphate is a cause ... #hypoxia #pathophysiology ... #pulmonary
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
Respiratory Acidosis ... obstruction • COPD ... alkalosis drive • Hypoxemia ... nickmmark #acidbase #workup ... #algorithm #diagnosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Respiratory or Metabolic ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... with associated hypoxia ... lung disease (COPD
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Maternal Bradycardia:
Intrapartum Abnormal ... Fetal HR Tracing - Causes ... • Umbilical cord ... occlusion • Fetal hypoxia ... stimulation • Chronic hypoxemia