16 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... lung disease • Pulmonary ... Right to Left Shunt ... Right to Left Shunt ... Hypoxemia #Hypoxia #Differential
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
the Newborn - Differential ... Only: • Poor Perfusion ... Total Anomalous Pulmonary ... Venous Return ... Cyanosis #Newborn #Differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Right-to-Left Shunt ... (↑Shunting), ↓Perfusion ... Hypoxemia #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... VIQ mismatch and shunt ... lung diseases, pulmonary ... embolus SHUNT ... Failure #hypoxia #Differential
Mediastinal Widening - Differential Diagnosis

 • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or
Mediastinal Widening - Differential ... anourysm, Enlarged pulmonary ... arteries, Venous ... Pneumomediastinum, Pericardial effusion ... Mediastinal #Widening #Differential
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia - Differential ... Bronchospasm, Pulmonary ... Alkalosis • Shunt ... Hemorrhage • Impaired Diffusion ... Hypoxemia #hypoxia #Differential
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea - Differential ... cava syndrome • Shunt ... Pneumonia • Pulmonary ... Pleura: • Pleural effusion ... 2LmUODZ #Dyspnea #Differential
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
of Orthopnea - Differential ... Anxiety • Pleural Effusion ... Noncardiogenic pulmonary ... CNS lesion: ALS, MS ... #Orthopnea #Differential
Checklist for the Echocardiographic Evaluation of Pulmonary Hypertension
 • Record estimated PASP
 • Evaluate RV size
Evaluation of Pulmonary ... for pericardial effusion ... heart disease, shunt ... lesions) • Differentiate ... Shah @HFpEF #Pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Right to Left Shunt ... - Anatomic Shunt ... - Physiologic Shunt ... Disease and more • Diffusion ... Hypoxia #hypoxemia #differential