22 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Right-to-Left Shunt: Cardiac ... (↑Shunting), ↓Perfusion ... #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Interstitial lung ... disease • Pulmonary ... #Hypoxia #Differential
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
and Management Differential ... (JVP, edema), Lung ... Exam, POCUS (B-lines ... , lung sliding) ... Edema: Lasix + BP
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... : Interstitial lung ... direction leads to hypoxemia ... Respiratory #Failure #hypoxia ... #Differential #
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Pneumothorax - Effusion ... - Congestive Cardiac ... Radiology #Patterns #Lung ... XRay #ChestCT #Differential
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Possible small plural effusion ... Possible bilateral effusion ... submassive PE) POCUS ... #differential # ... #POCUS #ultrasound
False Positive Lung Point on POCUS
Lung-Cardiac Point and Lung-Diaphragm Point
These images highlight selected differentials to pleural
Point on POCUS ... Lung-Cardiac Point ... False #LungPoint #POCUS ... lungdiaphragam #ultrasound #pulmonary ... #differential #
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemopericardium)- Differential ... Secondary to invasive cardiac ... metastatic spread: lung ... patients with pulmonary ... CAUSES • PRIMARY Cardiac
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive Lung ... Disease and more • Diffusion ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea - Differential ... Diagnosis Algorithm Cardiac ... • Interstitial lung ... Pleura: • Pleural effusion ... 2LmUODZ #Dyspnea #Differential