15 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Diagnosis Algorithm Ventilation ... Disease (Asthma, COPD ... • Interstitial lung ... Diagnosis #Algorithm #Causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
: Interstitial lung ... (V) in the lungs ... direction leads to hypoxemia ... , asthma, COPD, ... #Failure #hypoxia
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
in obstructive lung ... In COPD, decreases ... exacerbation (cardiogenic pulmonary ... edema) • COPD ... patients (ie., CHF or COPD
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... • Valvular Lung ... Disease and/or Hypoxemia ... : • COPD • Interstitial ... Lung Disease
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
Phosphate is a cause ... weaning from the ventilator ... phosphorus is seen in COPD ... patients with COPD ... #pulmonary
Non-Invasive Positive Pressure Ventilation
Indications: 
 • COPD exacerbation (↓ intubation, ↓ mortality), Cardiogenic pulmonary edema (↓
Positive Pressure Ventilation ... Indications: • COPD ... ), Cardiogenic pulmonary ... mortality), Other causes ... of respiratory
Ventilator Troubleshooting Summary
High PIP, nl Pplat:
 - DDx: Tubing problem, Bronchospasm, Secretions
 - Next Steps: Check
DDx: Obstructive lung ... , Insufficient expiratory ... Bronchodilators/Steroids Hypoxemia ... Treat underlying cause ... diagnosis #management #pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... pleura in severe cases ... severity Acute Respiratory ... sliding COPD or ... sliding Pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Chronic cough • Hypoxia ... Most Common Causes ... obstruction • COPD ... Physical stigmata of cor
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
, pain, fever, hypoxia ... Classically” noted with pulmonary ... with associated hypoxia ... or restrictive lung ... disease (COPD,