20 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 ... Bartonella SUN Classification ... #SUN #Classification ... Differential #Diagnosis #Ophthalmology
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
Persistent Pupillary Membrane (PPM) on Slit Lamp Ocular Examination

This membrane would be a remainder of the
) on Slit Lamp Ocular ... tunica vasculosa lentis ... large enough to cause ... Membrane #Pupil #Ocular ... clinical #video #ophthalmology
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... T-cells recruit ... reactions #types #allergy ... #table #classification
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
prognosis • Nodular ... (LP) tumour B cells ... • Classic - Nodular ... Lymphoproliferative #Disorders #Classification ... #pathophysiology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
of about three cases ... ) Classification ... subtypes: - Nodular ... HL (LDHL) - Nodular ... lymphoma #diagnosis #classification
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Common Causes: ... Episcleritis Ocular ... bacterial, viral, allergic ... Conjunctivitis #ocular ... differential #diagnosis #ophthalmology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... ++ influx into cells ... #Pharmacology #Classification ... #Classes #pathophysiology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
• Significant cause ... most frequent cause ... -> crowding of ocular ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology