33 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... common carpal bone ... functional deficit and arthritis ... Discharge with orthopedic ... Diagnosis #Management #Orthopedics
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Scaphoid - 50-80% • Triquetral ... drdevrad #Carpal #Bone ... radiology #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 ... Osteomyelitis / Septic Arthritis ... • Differentiate ... SickleCell #Disease #differential
Typical Clinical Presentations of Septic Arthritis by Pathogen and Joint Involvement

#Diagnosis #Septic #Arthritis #Differential #History #Presentation
Presentations of Septic Arthritis ... Diagnosis #Septic #Arthritis ... #Differential # ... Pathogen #Bacteria #Table
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
Conditions With Arteritis ... BP Giant cell arteritis ... Erdheim-Chester disease: - Bone ... #Differential # ... Diagnosis #Cardiology #Table
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
OA, Traumatic arthritis ... crystals), TB arthritis ... , Septic arthritis ... #Diagnosis #Differential ... Effusion #Analysis #Table
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain - Differential ... • Rheumatoid Arthritis ... • Psoriatic Arthritis ... JointPain #MSK #Differential ... Diagnosis #Algorithm #Orthopedics
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint Pain - Differential ... Myalgia • Viral Arthritis ... • Septic Arthritis ... JointPain #MSK #Differential ... Diagnosis #Algorithm #Orthopedics
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
rule out septic arthritis ... 50,000 #Diagnosis #Differential ... Effusion #Analysis #Table ... Septic #Infective #Arthritis
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... . degenerative arthritis ... , reactive arthritis ... #Back #Pain #Differential ... #primarycare #table