12 results
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Chronic Shoulder ... Pain - Differential ... Diagnosis Algorithm ... tests for the AC joint ... #MSK
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... Dermatomyositis Erythema chronicum ... #joint #pain #skin ... #rashes #differential
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... = RA, SLE, psoriatic ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... arthritis • SLE ... #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Chronic Joint Pain ... - Differential ... Diagnosis Algorithm ... Intraarticular #MSK ... #Differential #
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Pain History ... : Is the pain from ... : • Acute or chronic ... #Pain #MSK #rheumatology ... approach #workup #differential
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Diagnosis Algorithm ... Tumours - See ... - Secondary to Chronic ... Ricketts - Diffuse Pain ... Fractures #Pathologic #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Fever/Chills/Joint ... pain/Night sweats ... arthritis - SLE ... #diagnosis #msk
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Arthritis: • Joint ... pain • Swan neck ... arthropathy • 90% joints ... with Lupus: • Chronic
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... Better call hematology ... some time, let’s see ... normal/high - Chronic