7 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... Arthritis • Gout ... move the joint ... #diagnosis #lower ... #extremity #msk
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... Pain - Diagnostic ... destruction lower ... Like in this case ... #Joint #Pain #MSK
MTP Gout Effusion on POCUS
50s male with DM/HTN (no hx gout) and great toe pain-MTP joint.
POCUS revealed joint ... MSU crystals=Gout ... POCUS for the win ... Labeled Schematic ... #Toe
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... Algorithm - ... blood vessels • Abscess ... Vascular #JointPain #MSK ... #Causes
Left Forearm Abscess on Point of Care Ultrasound (POCUS)

Our patient was a 19-year-old male with past
Left Forearm Abscess ... on Point of Care ... This led to the ... diagnosis of pyomyositis ... #MSK #POCUS #Ultrasound
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
assess disease ... at a particular point ... Sensitivity (rule out ... causal pathway ... #calculations #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
arthralgia, arm/leg ... upper and lower ... tract, and often causes ... Palpable purpura, joint ... legs), cutaneous