31 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Diagnosis Algorithm Ventilation ... perfusion Mismatch • Airway ... lung disease • Pulmonary ... Septal Defect Pulmonary
Airway Pressure Release Ventilation (APRV) - Early application of airway pressure release ventilation may reduce the
Airway Pressure ... application of airway ... the duration of mechanical ... duration of both mechanical ... VisualAbstract #Pulmonary
Balloon Visualization - Mechanical Ventilation Pressures - PIP, PPlat, PEEP

Peak Inspiratory Pressure (PIP): Dynamic pressure needed
Visualization - Mechanical ... Ventilation Pressures ... of the lung) Airway ... unless excessive airway ... Pathophysiology #Pulmonary
Proposed Respiratory Support Algorithm in COVID19

The ‘intubate early’ paradigm, where patients who “fail” low flow oxygen
intubated and mechanically ... disease and not the mechanical ... ventilation, most ... #criticalcare #hypoxia ... #failure #algorithm
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
in more severe hypoxemia ... ideal) Invasive Mechanical ... Ventilation • ... #criticalcare #hypoxia ... #failure #algorithm
Non-Invasive Positive Pressure Ventilation
Indications: 
 • COPD exacerbation (↓ intubation, ↓ mortality), Cardiogenic pulmonary edema (↓
Positive Pressure Ventilation ... ), Cardiogenic pulmonary ... of respiratory failure ... Inability to protect airway ... #indications #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory Failure ... hypoxemic respiratory failure ... direction leads to hypoxemia ... #Respiratory #Failure ... #hypoxia #Differential
Mechanical ventilation in obese patients according to the i-STAR Algorithm
Intubate
 • Anticipate difficult airway management and
Mechanical ventilation ... Anticipate difficult airway ... • FiO2: avoid hyperoxia ... non-ARDS • Mechanical ... stepwise increase in airway
Ventilator Troubleshooting Summary
High PIP, nl Pplat:
 - DDx: Tubing problem, Bronchospasm, Secretions
 - Next Steps: Check
Ventilator Troubleshooting ... Bronchodilators/Steroids Hypoxemia ... Residents @mghmedres #Ventilator ... diagnosis #management #pulmonary ... #mechanical #ventilation
Capnography
Measurement of exhaled carbon dioxide can be used to confirm ETT placement, for safer procedural sedation,
monitor cardiac & pulmonary ... dysynchrony during mechanical ... ventilation breath ... bronchospasm, airway ... patterns #diagnosis #pulmonary