11 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Gonoccocal Infection (Dermatitis ... Papules & Mucosal Lesions ... Infection • Endocarditis ... Septic Bursitis • Abscess ... #Orthopedics #Causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... • 80% with lung ... Syphilis • Pyogenic Abscess ... #Brain #differential ... #diagnosis #causes
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Diagnosis Algorithm ... e.g. fractured long ... Marfan's Syndrome ... blood vessels • Abscess ... #Orthopedics #Causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Abscess Management ... stable residual lesion ... Blastomyces - Dermatitidis ... Abscess Differential ... causes #management
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... Septic Emboli Cause ... Marantic (NTBE) Differential ... Treat underlying cause ... #diagnosis #management
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Non-compressive Spinal Cord Causes ... Actinomyces, Blastomyces dermatitidis ... Inflammatory: ... MCTD, Sjogren syndrome ... #algorithm
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... , verrucous) - Lung ... Cholesterol emboli syndrome ... Septic emboli cause ... #Differential #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Nodular or cavitary lesions ... Lady Windermere Syndrome ... : • Syndrome of ... NTM #Infections #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
ischemic skin lesions ... tract, and often causes ... : - Ocular inflammatory ... lesions-interstitial ... #rheumatology #classification
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
Syndrome - Overview ... osteomyelitis, cutaneous abscesses ... : keratitis, iritis ... #Syndrome #Differential ... #Diagnosis #Management