951 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Gout - Uric Acid Crystals ... Pyrophosphate Dihydrate Crystals ... Amy Chung, MD, MSc ... Joint #Disorders #msk
Talar Gout on POCUS

Got the gouch! Talus shown with erosion, overhanging edge, and hyperemia at eroded
Tap + MSU crystals ... #Gout #POCUS #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
mycobacterial), RA, crystal ... culture, look for crystals ... psoriatic arthritis Crystals ... #Joint #Pain #MSK
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
inflammatory arthritides Crystal ... ochronosis and crystal ... #Joint #Pain #MSK
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
Disease (HADD) - MSK ... pathology due to crystal ... Radiology #diagnosis #msk
Sulfa Crystals on Urine Microscopy
Sulfa Crystal!  Drug-induced crystalluria is a cause of acute renal failure
Sulfa Crystals on ... Microscopy Sulfa Crystal ... TELMALEMOS10 #Sulfa #Crystals
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
MSU crystals=Gout ... POCUS #ultrasound #MSK
Hippuric Acid Crystals on Urine Microscopy

This crystal is present in the urine of people working with
Hippuric Acid Crystals ... Microscopy This crystal
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
64K WBC with no crystals ... clinical #ultrasound #MSK
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Urine Microscopy Crystals ... Uric Acid crystals ... Calcium phosphate crystals ... triple phosphate") crystals ... oxalate dihydrate crystals