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

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Subacute bacterial endocarditis ... Cardiovascular system • Mitral ... - 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 ... Polyarticular Join ... Infection • Endocarditis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Diagnosis Algorithm ... Red Flags: • Fever ... Schonlein Purpura - Endocarditis ... #Differential #
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
acute rheumatic fever ... Lyme), reactive arthritis ... • Acute = Viral ... #rheumatology # ... approach #workup #differential
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Origin (FUO) - Differential ... Diagnosis Algorithm ... • Giant cell arteritis ... • Infectious endocarditis ... #Diagnosis #Algorithm
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... • Rheumatic fever ... Viral Infections ... • Bacterial endocarditis ... Joint #pain #Differential
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
, Fever, No muscle ... with temporal arteritis ... Detectable HIV viral ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
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 ... hemorrhages • Petechiae ... Marantic (NTBE) Differential ... Persistent bacteremia/fevers
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 - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... vesicular eruption • Joints ... Palpable purpura, joint ... urticaria, recent viral ... #Diagnosis #Rheumatology