23 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Knee Effusion ... Intra-articulation fracture - Patellar ... diagnosis #msk # ... physicalexam
Patellar Ballottement Test for Knee Effusion on Physical Examination

With the patient supine, the leg can be
Test for Knee Effusion ... assess for joint effusion ... Ballottement #Test #Knee ... #Effusion #PhysicalExam ... clinical #video #msk
Reduction of Patellar Dislocation 
Most patellar dislocations are lateral, and they often reduce on their own.
or recline with hips ... the patient a knee ... Dislocation #Procedure #MSK ... #Knee #Clinical ... #Video #PhysicalExam
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease - MSK ... tibial tuberosity Differential ... Schlatter #Disease #Knee ... clinical #Radiology #diagnosis ... #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Deformity / Limp - Differential ... Diagnosis Algorithm ... Legg-Calve-Perthes Disease Knee ... Deformity #Limp #MSK ... #Differential #
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
Gluteal Nerve Knee ... Tibial Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
Dislocation - MSK ... injury of the knee ... Differential diagnosis ... #knee #clinical ... #msk
Patellar Tilt Test: used to evaluate the lateral retinaculum and the iliotibial band. 

#PatellarTiltTest #Diagnosis #Sports
Patellar Tilt Test ... PatellarTiltTest #Diagnosis ... #Sports #Knee # ... PhysicalExam #msk
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Pathology of the Hip ... Chondrodysplasia Neurologic ... Valgus position of knee ... symptoms #signs #diagnosis ... #msk
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
Diagnosis • Inflammatory ... : MS, ADEM, NMO, ... • Infectious: HIV ... #Diagnosis #causes ... #neurology