56 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... lung disease • Pulmonary ... Right to Left Shunt ... Right to Left Shunt ... #Differential #Diagnosis
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential Diagnosis ... Right-to-Left Shunt ... (↑Shunting), ↓Perfusion ... #Differential #Diagnosis ... #Algorithm #pulmonary
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
and Management ... 1) or anatomic shunt ... Arterial blood gas (ABC ... cirrhosis • Intra-pulmonary ... scanning or pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... VIQ mismatch and shunt ... embolus SHUNT ... #Differential #Diagnosis ... #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Right to Left Shunt ... - Anatomic Shunt ... Disease and more • Diffusion ... #differential #diagnosis
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Bronchospasm, Pulmonary ... Alkalosis • Shunt ... Hemorrhage • Impaired Diffusion ... #Differential #Diagnosis
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
- Differential Diagnosis ... cava syndrome • Shunt ... Pneumonia • Pulmonary ... Pleura: • Pleural effusion ... #Differential #Diagnosis
Checklist for the Echocardiographic Evaluation of Pulmonary Hypertension
 • Record estimated PASP
 • Evaluate RV size
Evaluation of Pulmonary ... for pericardial effusion ... heart disease, shunt ... Shah @HFpEF #Pulmonary ... Echocardiography #diagnosis
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
- Differential Diagnosis ... Only: • Poor Perfusion ... Left-to-Right Shunt ... Total Anomalous Pulmonary ... #Differential #Diagnosis
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
- Differential Diagnosis ... Anxiety • Pleural Effusion ... CNS lesion: ALS, MS ... #Differential #Diagnosis ... #Causes #pulmonary