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Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... mucositis - Rash ... pulses, bruis, or blood ... Large Vessel: Blood
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
• Stroke • Vasculitis ... Head and neck masses ... (80% to 90% of cases ... cause unknown) ... zoster virus
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... pulses, bruits, or blood ... HTN • Check: HBV ... , mucositis • Rash ... tract, and often causes
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
: • 1400 new cases ... • 75-90% of cases ... Abnormal in 50% of cases ... • Infectious causes ... zoster, West Nile
IDSA Recommendations for Preventing and Treating Varicella Zoster Virus (VZV) Infections in HIV-AIDS
Pre-Exposure Prevention of VZV
Treating Varicella Zoster ... health-care provider diagnosis ... of varicella or herpes ... Uncomplicated Cases ... #Treatment #management
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
exposure can be faster ... maculopapular rash ... Causes purpura & ... #Transfusions #diagnosis ... #management #hematology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Microbiology: Blood ... positive in 90% of IE cases ... valvular disease • Vasculitis ... • Blood cultures ... #management #cardiology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
exposure can be faster ... maculopapular rash ... Causes purpura & ... #Transfusion #diagnosis ... #management #hematology
Erythema Nodosum Overview

Definition: 
 • EN is an inflammatory condition characterized by tender, red nodules, typically
in 30–50% of cases ... : • Complete blood ... panniculitis without vasculitis ... for persistent cases ... in refractory cases