15 results
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Ehlers-Danlos syndrome ... , Marfan syndromes ... Bilateral, asymmetric corneal ... Rizutti's Sign • Corneal ... #Keratoconus #pathophysiology
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag Syndrome ... Purple #Urine #Bag #Syndrome ... #PUBS #pathophysiology ... #clinical #photo
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
Horner's Syndrome ... Ophthalmology #Photo ... #Horners #Syndrome
Cornea verticillata in a patient with long-term amiodarone use and presumed amiodarone optic neuropathy, Contributor: Jesse
Cornea verticillata ... Critser, CRA #cornea ... Ophthalmology #slitlamp ... #photo
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Guillain-Barre Pathophysiology ... cardiomyopathy, Horner ... syndrome, Sudden ... Miller Fisher Syndrome
Alexia Without Agraphia
Alexia without agraphia is a disconnection syndrome where patients cannot read but can write.
disconnection syndrome ... Pathophysiology: ... non-dominant visual cortex ... neurology #diagnosis #pathophysiology
Major Physiological Effects of Angiotensin II

Altered Peripheral Resistance
I. Direct vasoconstriction
II. Enhancement of peripheral noradrenergic
neurotransmission:
  A.
aldosterone from adrenal cortex ... expression of proto-oncogenes ... AngiotensinII #Pathophysiology
Krukenberg's Spindle - Slit Lamp Ocular Examination

Krukenberg's Spindle is a pigment deposit that can be found
aspect of the cornea ... pigment dispersion syndrome ... Krukenbergs #Spindle #Cornea ... ophthalmology #SlitLamp
Krukenberg's Spindle - Slit Lamp Ocular Examination

Krukenberg's Spindle is a pigment deposit that can be found
aspect of the cornea ... pigment dispersion syndrome ... Krukenbergs #Spindle #Cornea ... ophthalmology #SlitLamp
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... • Mutism Pathophysiology ... the bilateral cortex ... light reflex • Corneal