23 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
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
tunica vasculosa lentis ... large enough to cause ... PhysicalExam #clinical #video ... #ophthalmology ... #SlitLamp
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 ... Sign #clinical #video ... #PhysicalExam #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
Iridodonesis

Physical examination revealed iridodonesis, or “dancing” of the iris, which was elicited by rapid movement of
sign of ectopia lentis ... Iridodonesis #Iris #SlitLamp ... #PhysicalExam #Video ... #Ophthalmology
Anterior Vitreous Cells on Slit Lamp Examination

This is a great example of what anterior vitreous cell
Anterior Vitreous Cells ... In cases of iritis ... Anterior #Vitreous #Cells ... #SlitLamp #clinical ... #video #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
Traumatic Hyphema on Slit Lamp Ocular Examination

Anterior chamber hematoma is seen along with red blood cells
with red blood cells ... By Ophthalmology ... PhysicalExam #clinical #video ... #ophthalmology ... #SlitLamp
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
increases out of cells ... Vaughan Williams Classification ... ++ influx into cells ... #Pharmacology #Classification ... #Classes #pathophysiology