31 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... : Interstitial lung ... embolus SHUNT ... bypassing the lungs ... #Differential #Diagnosis
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Embolism, Pneumothorax ... Exam, POCUS (B-lines ... , lung sliding) ... BNP, Troponin), ABG ... CXR, CTA Chest, Echocardiogram
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Interstitial lung ... #Diagnosis #Algorithm ... #Causes #Pulmonary
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Embolism, Pneumothorax ... Hemorrhage • Impaired Diffusion ... Embolism, Emphysema ... #Diagnosis #causes
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
: Anion Gap (AG ... Pure Normal AG ... Classically” noted with pulmonary ... embolism (with ... or restrictive lung
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Diagnosis Algorithm ... Pneumonectomy • Trapped lung ... embolism • Collagen ... #Pulmonary #Diagnosis
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura in severe cases ... Embolism (PE): ... submassive PE) POCUS ... #differential #diagnosis ... #signs #Lung #POCUS
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... - Differential Diagnosis ... • Interstitial lung ... embolismPulmonary ... Pleura: • Pleural effusion
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive ... Lung Disease, Interstitial ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #diagnosis
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
absence of intrinsic lung ... disease Caused ... upright position • Hypoxemia ... on radioactive lung ... or pulmonary angiography