14 results
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
mutated in all cells ... / Symptoms / Complications ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Bell's Phenomenon ... neurologiabr #Bells ... #Phenomenon #Sign ... clinical #video #PhysicalExam ... #ophthalmology
Iridodonesis

Physical examination revealed iridodonesis, or “dancing” of the iris, which was elicited by rapid movement of
movement, is a sign ... of ectopia lentis ... Iris #SlitLamp #PhysicalExam ... #Video #Ophthalmology ... #Signs #Ocular
Acute Otitis Media: Complications
Infection and inflammation of the middle ear
 - Prolonged obstruction of e. tube
Otitis Media: Complications ... to mastoid air cells ... becomes more severe Signs ... #pathophysiology ... #symptoms #signs
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
B and CD-4+ T cells ... RheumaticFever #pathophysiology ... #diagnosis #signs ... #symptoms #complications
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
> Keratoconus Signs ... / Symptoms / Complications ... • Rizutti's Sign ... #Keratoconus #pathophysiology ... #ophthalmology
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
• Langerhan cells ... removal of these cells ... Manifestations #pathophysiology ... #diagnosis #signs ... #symptoms #complications
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
#Retinopathy #pathophysiology ... #ophthalmology ... #diagnosis #signs ... #symptoms #complications
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
diffusion of K+ out of cells ... Signs/Symptoms/Complications ... DiabeticKetoacidosis #DKA #pathophysiology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
damage & blindness Signs ... / Symptoms / Complications ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology