22 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 ... Effusions - Septic ... Arthritis: - ... #Effusions #causes ... differential #diagnosis #msk
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Differential Diagnosis Algorithm ... Myalgia • Viral Arthritis ... Fasciitis • Septic ... Infectious #JointPain #MSK ... #Orthopedics #Causes
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Differential Diagnosis Algorithm ... Monoarthritis • Septic ... Crystalline - Gout ... Erythematosus (SLE), should ... Joint #Disorders #msk
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Differential Diagnosis Algorithm ... -4 joints) • Gout ... Inflammatory #JointPain #MSK ... Differential #Diagnosis #Algorithm ... #Orthopedics #Causes
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Axillary Nerve Shoulder ... Gluteal Nerve Knee ... Tibial Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Infection • Septic ... Other Causes ... Legg-Calve-Perthes Disease Knee ... Deformity #Limp #MSK ... #Orthopedics #Causes
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... • This case should ... - **MSK rads ... Radiology #diagnosis #msk
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Differential Diagnosis Algorithm ... Osteoporosis • Post-Menopausal ... Fractures #Pathologic #MSK ... Differential #Diagnosis #Algorithm ... #Orthopedics #Causes
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Inflammatory arthritis ... Culture: Negative Septic ... analysis: • MSU ... : Gout • CPPD:
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Differential Diagnosis Algorithm ... Thrombosis • Septic ... Vascular #JointPain #MSK ... Differential #Diagnosis #Algorithm ... #Orthopedics #Causes