10 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... Effusions - Septic ... Arthritis: - ... : - Reactive arthritis ... differential #diagnosis #msk
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... Monoarthritis • Septic ... Crystalline - Gout ... Erythematosus (SLE), should ... #Disorders #msk
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Septic Arthritis ... AC joint septic ... septic arthritis ... #Septic #Arthritis ... clinical #ultrasound #MSK
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
of the Hip • Arthritis ... Chondrodysplasia Neurologic ... Valgus position of knee ... Trendelenburg #Gait #pathophysiology ... signs #diagnosis #msk
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Inflammatory arthritis ... analysis: • MSU ... : Gout • CPPD: ... #joint #fluid #
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
swelling in weird joints ... (shoulders, wrists ... disease states Pathophysiology ... Wrist, MCP, or shoulder ... forefoot, ankles, knees
Purulent Ankle Joint on POCUS
Young patient 2 weeks status post ORIF of ankle fracture presents with
on POCUS Young ... found to have septic ... arthritis and osteomyelitis ... #POCUS #clinical ... #ultrasound #msk
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Diseases • Septic ... spondylitis - Sacroiliac joint ... of the affected joint ... ANAs RF test should ... • Sacroiliac joint
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
to fibroadipose septa ... interrogation as it should ... infrapatellar bursa of the knee ... MUSCULOSKELETAL #MSK ... #POCUS #Atlas #
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Neurologic deficit ... -->Cannot rule out ... Neurologic injuries ... hip and ankle joints ... Posterior #Injury #msk