14 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Diagnosis Algorithm ... • Endocarditis ... #Orthopedics #Causes
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
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... Origin (FUO) - Differential ... Diagnosis Algorithm ... endocarditis • ... #causes
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
acute rheumatic fever ... Like in this case ... • Acute = Viral ... #rheumatology # ... approach #workup #differential
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... infiltration: malignancy, infection ... - Mechanical: valve ... replacement, endocarditis ... Diagnosis #Framework #hematology
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 ... Treat underlying cause ... Persistent bacteremia/fevers
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
infection • ... Subacute bacterial endocarditis ... Cardiovascular system • Mitral ... infection, Amyloidosis ... #pain #differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... CTD (SLE) - Viral ... infections - ... mountain spotted fever ... • Bacterial endocarditis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

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

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Red Flags: • Fever ... Schonlein Purpura - Endocarditis ... #Causes #dermatology