8 results
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
- Differential Diagnosis ... insufficiency • Vasculitis ... • Sickle Cell Anemia ... Ulcers #ulcerative #skinrash ... #causes
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
- Differential Diagnosis ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash ... #Diagnosis #Algorithm ... #causes
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
blood vessels (vasculitis ... reticularis Blood: Anemia ... inflammation tends to cause ... #signs #symptoms ... #diagnosis #ExtraArticular
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
cutaneous lupus: scaly ... hair follicles -> causes ... Livedo Reticularis, Vasculitis ... Manifestations #pathophysiology ... #diagnosis #signs
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... purpura: Strong sign ... New headache, scalp ... tract, and often causes ... #Rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic inflammatory vasculitis ... systemic sx + signs ... = vasculitis vs ... systemic complaints- anemia ... GCA #Temporal #Signs
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Mutism Pathophysiology ... • Examine for signs ... Glasgow Coma Scale ... UnResponsiveness (FOUR Score
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
hyperinflammatory syndrome caused ... Presentation • Common Signs ... - Cytopenias (anemia ... Pathophysiology ... #Management #Hematology