28 results
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
and a chronic ACL ... #Pivot #Shift #PivotShift ... #test #ACL #Knee ... Injury #ACLTear #clinical ... #PhysicalExam #Sports
Normal (Negative) Pivot-Shift Test for ACL Knee Injury

Andrew Dold, MD @dr.dold.md

#Pivot #Shift #PivotShift #test #ACL #Knee
Pivot-Shift Test for ACL ... #Pivot #Shift #PivotShift ... #test #ACL #Knee ... Injury #ACLTear #clinical ... #PhysicalExam #Sports
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Pathogenesis and clinical ... gene mutated in all ... Retinoblastoma #pathophysiology ... #ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Pathogenesis and clinical ... -> Cotton-wool spots ... Retinopathy #Diabetes #ophthalmology ... complications #pathophysiology
Pivot Shift test for Knee Instability

The patient lies supine while the examiner grasps the leg by
indicating likely ACL ... #Pivot #Shift #PivotShift ... #test #ACL #Knee ... #Injury #clinical ... #PhysicalExam #Sports
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Pathogenesis and clinical ... -> Cotton-wool Spots ... -> Elschnig's Spots ... #Retinopathy #pathophysiology ... #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Pathogenesis and Clinical ... inflammation of all ... Orbital #Cellulitis #pathophysiology ... #ophthalmology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
Pathogenesis and clinical ... - Faded/blind spots ... MacularDegeneration #pathophysiology ... #ophthalmology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... meningococcal, H1N1) Clinical ... complete paralysis of all ... Guillain-Barre Clinical ... • Weakness: Starts
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
Pathogenesis and clinical ... length of eye -> Short ... #Hyperopia #pathophysiology ... #ophthalmology