29 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
OA, Traumatic arthritis ... crystals), TB arthritis ... , Septic arthritis ... Effusion #Analysis #Table ... #Infective #Arthritis
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
Inflammatory - Septic ... arthritis; however ... 50,000 #Diagnosis #Differential ... Effusion #Analysis #Table ... #Infective #Arthritis
Risk Factors for Septic Arthritis
Contiguous spread

Skin infection, cutaneous ulcers

Direct inoculation

Previous intraarticular injection

Prosthetic joint: early and delayed
Arthritis Contiguous ... Osteoarthritis Other cause ... ) Rheumatoid arthritis ... for gonococcal arthritis ... #Infective #Arthritis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Ischemic optic ... Bacterial or viral infection ... Wilson's disease Pulmonary ... Cardiomyopathies - Viral infection ... #joint #pain #differential
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Myalgia • Viral Arthritis ... Fasciitis • Septic ... Onset • Septic ... Arthritis - Insidious ... #Orthopedics #Causes
Cavity Mnemonic for Cavitary Pulmonary Lesions:
C: cancer 
 - bronchogenic carcinoma: most frequently squamous cell carcinoma
- rheumatoid arthritis ... both bland and septic ... pulmonary emboli ... ) I: infection ( ... Cavitary #Lesions #Differential
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Breast, Testicle) Infection ... Tuberculosis • Septic ... • Rheumatoid Arthritis ... Diagnosis #Algorithm #Causes ... #Pulmonary
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... - rheumatoid arthritis ... embolus I = infection ... Cavitary #Lesions #Differential ... #Lung #Pulmonary
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
. degenerative arthritis ... e.g. psoriatic arthritis ... , reactive arthritis ... & enteropathic arthritis ... #Diagnosis #causes
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Arthritis: - ... : - Reactive arthritis ... - Rheumatoid arthritis ... RA/Idiopathic arthritis ... Poststreptococcal reactive arthritis