19 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Effusion Red Flags ... - Synovium - Oral ... #differential #
Evaluation of Suprapatellar Knee Effusion (normal knee) on Point of Care Ultrasound (POCUS)

POCUS for knee effusions:
Effusion (normal ... Care Ultrasound (POCUS ... ) POCUS for knee ... effusions: remember ... #Normal
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... A-a Gradient Normal ... (↑Shunting), ↓Perfusion ... Hypoxemia #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Exudative Effusion:
 - Pulmonary
     •
Causes of Pleural Effusion ... - Differential ... : - Pulmonary ... Upper Limit of Normal ... #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 # ... #signs #Lung #POCUS
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
disease • Pleural effusion ... Parapneumonic effusion ... (NHL, primary effusion ... P.jiroveci • Normal ... #diseases #differential
Pediatric Dyspnea - Differential Diagnosis Algorithm
Stridor:
 • Croup
 • Foreign Body
 • Tracheitis
 • Epiglottitis
 •
Pediatric Dyspnea - Differential ... Body • Pleural Effusion ... Pneumothorax Normal ... Ketoacidosis • Pulmonary ... ShortnessOfBreath #Differential
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
fraction < 20% Differential ... • Muscular: normal ... CK, normal biopsy ... hepatitis • Pulmonary ... : pleural effusion
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... A-a gradient to normal ... Disease and more • Diffusion ... Defect: Pulmonary ... Hypoxia #hypoxemia #differential
Images of the knee were taken as well that demonstrated no significant joint effusion.

Dr. Michael Schick
Images of the knee ... significant joint effusion ... Clinical #MSK #POCUS ... #Knee #Normal #