20 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Septic Arthritis ... Alphavirus - Fungi ... : - Reactive arthritis ... RA/Idiopathic arthritis ... differential #diagnosis #msk
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Inflammatory arthritis ... Culture: Negative Septic ... analysis: • MSU ... : Fungal stain and
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Myalgia • Viral Arthritis ... Fasciitis • Septic ... Onset • Septic ... Onset • Fungal ... Infectious #JointPain #MSK
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... tenderness - No joint deformity ... to bacterial, fungal ... #Joint #Pain #MSK ... #rheumatology #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Mycobacterial • Fungal ... - Autoimmune Rheumatologic ... tuberculosis) • Fungi ... Differential #Diagnosis #MSK ... #rheumatology #
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Arthritis on POCUS ... AC joint showed effusion ... #Arthritis #Effusion ... #POCUS #clinical ... #ultrasound #MSK
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
of Pericardial Effusion ... Coxiella burnetii • Fungal ... Non-Infectious: • Rheumatologic ... SLE, Rheumatoid Arthritis ... #Pericardial #Effusion
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Infection • Septic ... Arthritis • Cortical ... Dwarfism #Bone #Deformity ... #Limp #MSK #Differential
Osteomyelitis / Septic Arthritis on POCUS

A diabetic adult presents with pain and fever at this site.
Osteomyelitis / Septic ... Arthritis on POCUS ... with overlying effusion ... #POCUS #ultrasound ... #msk #radiology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Fever, Arthralgia/arthritis ... splenomegaly • Hepatic ... Pulmonary: pleural effusion ... management #treatment #rheumatology