11 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... diseasePulmonary ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Hypoxemia / Hypoxia ... asthma • Pleural disease ... atelectasis • Lung ... Sophia_Hayes_MD #Hypoxemia ... #Hypoxia #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
• Causes: High altitude ... : Interstitial lung ... diseases, pulmonary ... direction leads to hypoxemia ... Respiratory #Failure #hypoxia
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Pulmonary Arterial ... • Valvular Lung ... Hypoxemia: • COPD ... • Interstitial Lung
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... disease (COPD) ... • HypoxiaPulmonary ... hypertension Management ... Diagnosis #ECG #EKG #Management
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Acquired Causes: • Hypoxia-driven ... : Cardiac/pulmonary ... disease, Smoking ... OSA/OHS, High altitude ... habitat • Hypoxia-independent
Proposed Respiratory Support Algorithm in COVID19

The ‘intubate early’ paradigm, where patients who “fail” low flow oxygen
Respiratory Support Algorithm ... patients with COVID lung ... disease are doing ... support #COVID19 #management ... #criticalcare #hypoxia
HIGH ALTITUDE PULMONARY EDEMA (HAPE)
 • High altitude disease that kill most people
 • Incidence: severe
HIGH ALTITUDE PULMONARY ... disease that kill ... tachycardia, and severe hypoxia ... artery pressure to hypoxia ... HAPE #diagnosis #management
Causes of Intrauterine Growth Restriction / Small for Gestational Age - Differential Diagnosis Algorithm
Fetal Factors:
 -
Differential Diagnosis Algorithm ... Drugs - Maternal Hypoxemia ... • Pulmonary ... diseases ... anemia • High altitude
Ventilator Troubleshooting Summary
High PIP, nl Pplat:
 - DDx: Tubing problem, Bronchospasm, Secretions
 - Next Steps: Check
DDx: Obstructive lung ... disease, Insufficient ... Bronchodilators/Steroids Hypoxemia ... Troubleshooting #diagnosis #management ... #pulmonary #mechanical