59 results
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
Bell's Palsy Bell ... Bell’s palsy happens ... By @rev.med #Bells ... #Palsy #neurology ... #anatomy #pathophysiology
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Bell's Phenomenon ... Physical Exam Carles ... neurologiabr #Bells ... #PhysicalExam #ophthalmology ... #neurology
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Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... variety known as Bell's ... - Ptosis #Bells ... #Palsy #Neurology ... Signs #Symptoms #Diagnosis
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
causes development ... Particular CD4+ Th cells ... harmful -> Th Cells ... macrophages, mast cells ... #Immunology #pathophysiology
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Immunological Target: Allergen ... fever, Urticaria, Allergic ... Immunological Mediator: Th Cells ... #Types #Classification ... #Diagnosis #Definitions
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
with cytotoxic T cells ... natural killer cells ... Hypersensitivity #Types #Classification ... #Pathophysiology ... #Allergy #Diagnosis
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... - Differential Diagnosis ... Transcellular Shift Into Cells ... imports K+ into cells ... potassium #low #pathophysiology
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
infection - Allergic ... CD3-CD4+ T cells ... ) - Allergic bronchopulmonary ... #Differential #Diagnosis ... #Causes
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... - Differential Diagnosis ... - Unilateral: Bell's ... #Differential #Diagnosis ... #neurology #sparing
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
lgE causes mast-cell ... - Mediators: T cells ... Antigen-presenting cells ... Th1/cytotoxic T cells ... T-cells recruit