67 results
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Hyperthyroidism Fever ... • Rheumatic fever ... SLE, Rheumatic fever ... stenosis - Rheumatic fever ... • New murmur, fever
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Causes of Fever ... Lemierre's syndrome ... Brucellosis, Q fever ... Mediterranean fever ... , Factitious fever
Causes of Severe Aortic Regurgitation - Differential Diagnosis
Acute:
 • Leaflet: Traumatic Rupture, Acute Infective Endocarditis, Acute
Causes of Severe ... Regurgitation - Differential ... Endocarditis, Rheumatic Fever ... , Behcet Syndrome ... #cardiology
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Non-Infectious: • Rheumatologic ... SLE, Rheumatoid Arthritis ... Mediterranean Fever ... #cardiology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
• Rheumatic Fever ... Sicca) Syndrome ... • Rheumatic Fever ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Juvenile idiopathic arthritis ... Non-Infectious Causes ... • Rheumatoid arthritis ... #Patterns #Differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Rheumatic fever ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... #skin #rashes #differential ... #diagnosis #rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Fever/Chills/Joint ... Acute rheumatic fever ... diagnosis #msk #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Kasabach-Merritt syndrome ... mountain spotted fever ... #Diagnosis #hematology ... #rheumatology #
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... • Arthritis ... pain/swelling - Fever ... #Leg #pain #differential ... lower #extremity #msk