10 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Infection • Endocarditis ... Infectious #JointPain #MSK ... #Orthopedics #Causes
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Subacute bacterial endocarditis ... Lyme disease, Vasculitis ... - Bacterial endocarditis ... Diminished peripheral pulses ... #pain #differential
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 ... #Differential #
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... cyanosis - Cool extremity ... refill - Poor pulses ... pain/swelling - Fever ... #msk #physicalexam
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... vesicular eruption - Joints ... mucositis - Rash ... diminished, or tender pulses ... extremities, upper extremity
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 ... valvular disease • Vasculitis ... Persistent bacteremia/fevers
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... diminished, or tender pulses ... claudication, pulse ... , mucositis • Rash ... tract, and often causes
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... weeks) Can Be Caused ... • Rheumatic fever ... • Bacterial endocarditis ... #Diagnosis #MSK
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 ... Arthritis: • Joint ... hypertension, lower extremity ... • Libman-Sacks endocarditis
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 ... valvular disease • Vasculitis ... #Differential #