60 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... Right-to-Left Shunt ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Right to Left Shunt ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... Diagnosis Framework ... VIQ mismatch and shunt ... #Differential # ... Diagnosis #pulmonary
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Differential Diagnosis ... Alkalosis • Shunt ... Hemorrhage • Impaired Diffusion ... #hypoxia #Differential ... #Diagnosis #causes
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Right to Left Shunt ... Disease and more • Diffusion ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential ... #diagnosis
This 24M presented with acute onset CP/SOB, hypoxia, HR 150s. What's the diagnosis? Treatment options? Hint:
onset CP/SOB, hypoxia ... What's the diagnosis ... Hint: this is a ... with McConnell's sign ... Echocardiogram #A4C
Checklist for the Echocardiographic Evaluation of Pulmonary Hypertension
 • Record estimated PASP
 • Evaluate RV size
• Evaluate for signs ... for pericardial effusion ... heart disease, shunt ... lesions) • Differentiate ... Echocardiography #diagnosis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... Knee Effusion ... #causes #differential ... #diagnosis #msk
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome - Diagnosis ... 1) or anatomic shunt ... upright position • Hypoxemia ... Arterial blood gas (ABC ... Quantifies degree of hypoxemia
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
• Secondary effusion ... joint with MRI effusion ... pathophysiology #diagnosis ... #signs #symptoms ... #msk