12 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Fluid Analysis Effusion ... , Septic arthritis ... #Diagnosis #Differential ... Syonvial #Fluid #Effusion ... Aspiration #Pseudogout #Septic
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... - Septic Arthritis ... : - Reactive arthritis ... Ligamentous injuries - Meniscal ... #causes #differential
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
Septic Arthritis ... beneficial in septic ... parenteral Abx, Orthopedics ... consults for possible ... nongonococcal septic
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
Inflammatory - Septic ... arthritis; however ... 50,000 #Diagnosis #Differential ... Syonvial #Fluid #Effusion ... #Infective #Arthritis
VON-CHOP Mnemonic for Orthopedic Emergencies
V - Vascular compromise (eg ischemic leg)
O - Open fracture
N - Neurological
VON-CHOP Mnemonic for Orthopedic ... Osteomyelitis (septic ... arthritis) P - ... Emergencies #diagnosis #consult ... #differential
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint Pain - Differential ... Myalgia • Viral Arthritis ... Fasciitis • Septic ... Onset • Septic ... Diagnosis #Algorithm #Orthopedics
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
predispose to other orthopedic ... Osteomyelitis / Septic ... Arthritis: • ... • Differentiate ... SickleCell #Disease #differential
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
Tissue Lesions - Differential ... Cartilage • Meniscal ... Osteonecrosis Septic ... #Lesions #MSK #Differential ... Diagnosis #Algorithm #Orthopedics
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Fever, Arthralgia/arthritis ... fraction < 20% Differential ... splenomegaly • Hepatic ... Pulmonary: pleural effusion
Differential Diagnosis of Acute Arthritis

Crystal-induced arthritis: Calcium oxalate, gout, cholesterol, pseudogout, hydroxyapatite crystals

Infectious arthritis: Bacteria, fungi,
Differential Diagnosis ... of Acute Arthritis ... hyperlipoproteinemia,* meniscal ... #Diagnosis #Differential ... Monoarticular #Septic