56 results
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
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
and SUN Classification ... blindness, linked to macular ... #SUN #Classification ... #Differential # ... Diagnosis #Ophthalmology
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
cytokines Common causes ... infection - Allergic ... CD3-CD4+ T cells ... ) - Allergic bronchopulmonary ... hypereosinophilia #HE #Differential
Algorithm for diagnosing the cause of eye pain.

#Diagnosis #Ophthalmology #Eye #Ocular #Pain #Differential #Algorithm
diagnosing the cause ... #Diagnosis #Ophthalmology ... #Eye #Ocular #Pain ... #Differential #
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... Hypersensitivity #Types #Classification ... #Pathophysiology ... #Allergy #Diagnosis
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... - Differential ... #Hypokalemia #Differential ... Diagnosis #Algorithm #causes ... potassium #low #pathophysiology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Lymphadenopathy - Differential ... • Acne • Allergy ... Reed-Sternberg Cells ... Diagnosis #Algorithm #Causes
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye - Differential ... Orbital Cellulitis Ocular ... Atraumatic #RedEye #Differential ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Asthma: immunopathogenesis. 
Allergens attach to, and are taken up by, dendritic cells that he the respiratory
by, dendritic cells ... interaction of the allergen ... . which differentiate ... mucus production allergic ... immunopathogenesis #Pathophysiology
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Red Eye - Differential ... gonorrhoeae, Viral, Allergic ... #Eye #redeye #Differential ... Diagnosis #table #causes ... #ophthalmology