35 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Effusions - Septic ... (1%) - Watch out ... - Pseudo gout ... differential #diagnosis #msk ... #physicalexam
Split, Fractured Patella on Knee Exam

30 years old male, 10 years post motorbike accident.  Split,
Fractured Patella on Knee ... male, 10 years post ... Fractured #Patella #Knee ... #PhysicalExam # ... clinical #video #msk
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
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
injury (i.e. post ... inflammation as post-inflammatory ... will stop, but post-inflammatory ... FrozenShoulder #pathophysiology ... stages #staging #msk
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Culture: Negative Septic ... analysis: • MSU ... : Gout • CPPD: ... Singh @rav7ks #Knee
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Monoarthritis • Septic ... Crystalline - Gout ... Erythematosus (SLE), should ... Amy Chung, MD, MSc ... Joint #Disorders #msk
Reduction of Patellar Dislocation 
Most patellar dislocations are lateral, and they often reduce on their own.
the patient a knee ... crutches - they should ... Dislocation #Procedure #MSK ... #Knee #Clinical ... #Video #PhysicalExam
Priapism: Pathogenesis

 - Post-cavernosal venous occlusion -> Post-cavernosal venous drainage is mechanically obstructed e.g. sickle cell
Pathogenesis - Post-cavernosal ... venous occlusion -> Post-cavernosal ... in absence of sexual ... #Priapism #Pathophysiology ... #Urology #Diagnosis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Valgus position of knee ... Trendelenburg #Gait #pathophysiology ... signs #diagnosis #msk
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
CPPD vs Gout ... weird joints (shoulders ... disease states Pathophysiology ... Wrist, MCP, or shoulder ... forefoot, ankles, knees