20 results
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... JointHip Dysplasia ... Subluxation) Spine ... #Algorithm #Orthopedics ... #Causes
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
• Finger deformity ... caused by disruption ... (may be bony or ... tender DIP joint ... Radiology #XRay #Diagnosis
Thomas' Test for Hip Flexure Contracture

Thomas' Test assesses for hip flexure contracture.
One hip is maximally flexed
One hip is maximally ... flattening the lumbar ... spine. ... flexes at the knee and ... #sports #msk #orthopedics
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... predispose to other orthopedic ... common sites: hip ... Osteomyelitis / Septic Arthritis ... #differential #diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Ligament • Bone ... deformity Synovitis ... e.g., congenital hip ... the subchondral bone ... #differential #diagnosis
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... Number of Joints ... Like in this case ... - parvovirus, HIV ... #differential #diagnosis
Thomas' Test for Hip Flexibility

Patient lays supine, one hip is maximally flexed to the patient's chest,
, one hip is maximally ... flattening the lumbar ... flexes at the knee and ... PhysicalExam #clinical #video ... #sports #msk #orthopedics
Stork Test 

The stork test evaluates for a stress fracture of the pars interarticularis in the
patient places hands ... on hips and stands ... on one leg, and ... #clinical #video ... #sports #msk #orthopedics
Great Mimickers - SHALLOTS Mnemonic

S- Syphilis - Neurosyphilis, aortitis, gummas... Granulomas can form anywhere! Skin, mucosa,
Skin, mucosa, joints ... , bones, lungs, ... cause? ... one cause of adrenalitis ... SHALLOTS #Mnemonic #Diagnosis
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
, joint, and skin ... nonerosive inflammatory arthritis ... • Bone and joint ... and spine, & medium ... Rule out other causes