48 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Right to Left Shunt ... Right to Left Shunt ... Hypoventilation Syndrome ... Hypoxemia #Hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... respiratory drive due to neurologic ... obesity-hypoventilation syndrome ... hepatopulmonary syndrome ... Failure #hypoxia #Differential
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
Patellofemoral Syndrome ... • Secondary effusion ... joint with MRI effusion ... pathophysiology #diagnosis #signs ... #symptoms #msk
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Osteoarthritis - Overuse syndrome ... Seronegative Reactive Syndrome ... #causes #differential ... #diagnosis #msk
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Peripheral Causes - Differential ... oticus (Ramsay Hunt ... syndrome) • ... Amy Chung, MD, MSc ... Peripheral #Causes #Differential
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
vertigo"), Ramsay Hunt ... syndrome (a.k.a ... Wallenberg syndrome ... Central #Causes #differential ... #diagnosis #neurology
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea - Differential ... Superior vena cava syndrome ... • Shunt Airway ... Pleura: • Pleural effusion ... 2LmUODZ #Dyspnea #Differential
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
sliding/barcode sign ... Possible small plural effusion ... Possible bilateral effusion ... Respiratory Distress Syndrome ... #pulmonary #differential
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
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Right to Left Shunt ... Hepatopulmonary Syndrome ... Disease and more • Diffusion ... Hypoxia #hypoxemia #differential