85 results
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
yrs old; F>M Signs ... Anemia - Giant cells ... Temporal #Arteritis #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Hypocomplementemic Urticarial Vasculitis ... Cytokines, Mast Cells ... Formation -> Vasculitis ... #HUV #Pathophysiology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
semiology of Cutaneous Vasculitis ... • Drug-induced vasculitis ... • Necrotizing vasculitis ... dermatology #semiology #signs ... pathology #lesions #differential
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Pathophysiology: ... trauma, infection, vasculitis ... process such as vasculiitis ... Palpable #Algorithm #Differential
Systemic Lupus Erythematosus: Gastrointestinal Manifestations
 - Thrombosis of vessels in the pancreas, Vasculitis -> Acute Pancreatitis
the pancreas, Vasculitis ... Complications #pathophysiology ... #signs #symptoms
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... - Differential ... ear disease Differential ... purpura: strong sign ... differential #diagnosis
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... various inflammatory cells ... #HSP #IgA #Vasculitis ... HenochScholeinPurpura #Pathophysiology ... #Diagnosis #Signs
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Hypokalemia - Differential ... Transcellular Shift Into Cells ... imports K+ into cells ... #Hypokalemia #Differential ... potassium #low #pathophysiology
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
vascular endothelial cells ... PolyarteritisNodosa #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Diagnostic Algorithm Pathophysiology ... range of potential pathophysiologic ... - Pathophysiology ... Ill-appearing, vital sign ... Targetoid #Algorithm #Differential