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

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Subacute bacterial endocarditis ... Wilson's disease Pulmonary ... - Bacterial endocarditis ... #pain #differential ... #diagnosis #rheumatology
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Diagnosis Algorithm ... Infection • Endocarditis ... Infectious #JointPain #MSK
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia - Differential ... Diagnosis Framework ... Hyperkalemia Pulmonary ... • Aortic Valve Endocarditis ... #diagnosis #causes
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... acute rheumatic fever ... #Joint #Pain #MSK ... approach #workup #differential ... #diagnosis #arthritis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... • Rheumatic fever ... • Bacterial endocarditis ... Joint #pain #Differential ... #Diagnosis #MSK
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness, rash ... , Fever, No muscle ... with temporal arteritis ... Myopathies #myopathy #differential ... #diagnosis #comparison
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Involves aortic and mitral ... night sweats, fever ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... Persistent bacteremia/fevers
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... vesicular eruption • Joints ... , mucositis • Rash ... Palpable purpura, joint
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... permanent alopecia Differential ... : • Joint pain ... • Libman-Sacks endocarditis ... , Fever, Serositis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Diagnosis Framework ... vesicular eruption - Joints ... Coronary arteries - Fever ... mucositis - Rash ... Vasculitis: • Fevers