49 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Fluid Analysis Effusion ... crystals), Gout (negatively ... #Diagnosis #Differential ... Syonvial #Fluid #Effusion
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 ... Framework Knee Effusion ... #causes #differential ... #diagnosis #msk
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemorrhagic Pericardial Effusions ... Hemopericardium)- Differential ... may have false negative ... #Pericardial #Effusion ... Hemopericardium #Differential
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... poor • Culture: Negative ... Good • Culture: Negative ... analysis: • MSU ... rav7ks #Knee #Effusions
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... “Bamboo Spine” Fusion ... Amy Chung, MD, MSc ... Joint #Disorders #msk ... #Differential #
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
a VT run) and fusion ... ● Positive or negative ... R) or entirely negative ... Positive or negative ... point) of S > 100 ms
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
of Orthopnea - Differential ... Anxiety • Pleural Effusion ... CNS lesion: ALS, MS ... #Orthopnea #Differential
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... Possible small plural effusion ... Possible bilateral effusion ... #pulmonary #differential ... #Lung #POCUS #ultrasound
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... suggested by warmth, effusion ... aureus • Gram-negative ... #Joint #pain #Differential ... #Diagnosis #MSK
Tibiotalar Ankle Effusion Evaluation on Point of Care Ultrasound (POCUS)

POCUS for ankle effusions: position the ankle
Tibiotalar Ankle Effusion ... Point of Care Ultrasound ... POCUS for ankle effusions ... #Tibiotalar #Effusion ... #Ankle #POCUS #MSK