12 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
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... Focal Alveolar: Pneumonia ... Impaired Diffusion: ILD ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia ... - Workup and Management ... Exam, POCUS (B-lines ... #Hyperacute #Hypoxemia ... #Hypoxia #Workup
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
- Differential Diagnosis ... diseases, pulmonary ... direction leads to hypoxemia ... • Causes: Pneumonia ... Respiratory #Failure #hypoxia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... Embolism, Obstructive Lung ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... , chronic lung disease ... #Diagnosis #Peds ... #Pediatrics #Pulmonary ... #Hypertension #Workup
Pneumonia on POCUS

Otherwise healthy 12mo-old w/ fever. Linear & phased array viewing the lung (subpleural &
Pneumonia on POCUS ... Otherwise healthy 12mo-old ... >1cm, supports diagnosis ... no significant hypoxia ... #pediatrics
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
Pulmonary Hypertension ... III - Chronic lung ... hypoxemia • COPD ... , ILD, sleep apnea ... Classification #diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Cryptococcal Ag, Urine ... Infectious Diseases ... Infections #HIVAIDS #workup ... #diagnosis #evaluation