8 results
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
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
due to upstream CRAO ... Retina • Ganglion cells ... #pathophysiology ... #ophthalmology ... #diagnosis #signs
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
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
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
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
Shafer's sign on Slit Lamp Ocular Examination

Pigmented cells in the anterior vitreous, which is highly suggestive
Shafer's sign on ... Examination Pigmented cells ... Shafers #Schaffers #sign ... Vitreous #Ocular #PhysicalExam ... clinical #video #ophthalmology