35 results
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Bell's Phenomenon ... Exam Carles Bell ... neurologiabr #Bells ... #Phenomenon #Sign ... #clinical #video
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Cytokines, Mast Cells ... perivascular inflammatory cells ... Formation -> Vasculitis ... #HUV #Pathophysiology
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
Iridodonesis

Physical examination revealed iridodonesis, or “dancing” of the iris, which was elicited by rapid movement of
movement, is a sign ... of ectopia lentis ... characteristic sign ... Iridodonesis #Iris #SlitLamp ... #PhysicalExam #Video
Bell's Sign on Physical Exam

The clinical sign resulting from functional insufficiency of the eyelid orbicularis was
Bell's Sign on Physical ... described by Charles Bell ... name known as Bell's ... semiologianeurologica #Bells ... Paralysis #Clinical #Video
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
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
• Langerhan cells ... removal of these cells ... Livedo Reticularis, Vasculitis ... Manifestations #pathophysiology ... #diagnosis #signs
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
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
maturation of B cells ... from precursor cells ... Absence of mature B cells ... CD19+) and plasma cells ... Agammaglobulinemia #XLinked #pathophysiology
Bell's Phenomenon

Sign of peripheral facial paralysis manifested by eye movement up and out of the eyeball,
Bell's Phenomenon ... Sign of peripheral ... the eyelid #Bells ... Phenomenon #clinical #video