14 results
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
and Secondary Causes ... • Prosthetic valve ... annulus valve: ... cardiomyopathy - VA Joint ... Regurgitation #differential
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Rheumatica • Pain ... , Fever, No muscle ... weakness • Elevated ESR ... Detectable HIV viral ... Myopathies #myopathy #differential
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
) Inflammatory joint ... pain (especially ... the face (many differential ... 9) Unexplained fever ... diagnosis #sle #clues
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Ear Pain (Otalgia ... Mastoiditis • Viral ... Temporomandibular joint ... , weight loss, fever ... gland tumor Clues
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pain Eyes ... Subacute bacterial endocarditis ... Inflammation of ear ... - Bacterial endocarditis ... #pain #differential
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 ... spondyloarthropathies, lupus ... #Joint #Pain #MSK ... approach #workup #differential
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 ... Marantic (NTBE) Differential ... Criteria • ↑ ESR ... Persistent bacteremia/fevers
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... weeks) Can Be Caused ... • Rheumatic fever ... • Bacterial endocarditis ... #pain #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Red Flags: • Fever ... lesions • Severe pain ... Schonlein Purpura - Endocarditis ... Autoimmune Vasculitis (lupus
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... involves aortic and mitral ... night sweats, fever ... Septic emboli cause ... #Endocarditis #Differential