21 results
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
Bell's Palsy Bell ... Palsy is a damage, acute ... Bell’s palsy happens ... By @rev.med #Bells ... #anatomy #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
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 ... #immunology
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
Acute Rheumatic ... B and CD-4+ T cells ... , Carditis #Acute ... RheumaticFever #pathophysiology ... #diagnosis #signs
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
allergen-specific plasma cells ... complexes bind to mast cells ... • Inflammatory cells ... Complications: • Acute ... #pathophysiology
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
Features of a Sickle Cell Crisis 
Sickle-cell disease - an autosomal recessive blood disorder.
Characterized by red
Characterized by red blood cells ... These cells can ... 2) Aplasia - Acute ... sequestration of sickle cells ... Crisis #Features #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
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
clinical findings Acute ... the mastoid air cells ... and mastoid air cells ... #Mastoiditis #pathophysiology ... #signs #symptoms