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  • Cluster headache  (1)
  • Ulbricht effect  (1)
  • focal electroretinogram  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Simultaneous macular and paramacular ERGs recorded by standard techniques (1987)
    Springer
    Documenta ophthalmologica 65 (1987), S. 343-348 
    Details
    ISSN: 1573-2622
    Keywords: focal electroretinogram ; macular disease ; stray light ; Ulbricht effect
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A technique for the simultaneous recording of two small-field electroretinograms (ERGs), macular and paramacular, employing standard apparatuses for stimulation and analysis is described. The stimuli consisted of two adjacent checks (6 deg/side) obtained by masking the display of a commercially available TV pattern stimulator. The checks were square-wave-modulated in counterphase at 3.12 Hz. The subjects fixated the center of one of two checks. In one stimulus cycle, two ERGs could be distinguished: one from the macular area and the other from the adjacent area. The macular ERG is about twice as large as the paramacular. ERGs recorded by this technique can be considered focal since (i) they show a sharp fall-off in amplitude when the stimulus is displaced from the fovea, and (ii) they are no longer recordable when the stimulus is centered on the optic disk or on a large macular scar.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00149940
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cluster headache: Remission following ascending aorta/innominate artery bypass surgery. Case report (1984)
    Springer
    Neurological sciences 5 (1984), S. 319-321 
    Details
    ISSN: 1590-3478
    Keywords: Cluster headache ; bypass surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario A distanza di oltre due anni da un intervento di bypass tra aorta ascendente ed arteria anonima un uomo di 51 anni con cefalea a grappolo non ha più riferito ulteriori episodi algici. Viene avanzata l'ipotesi che l'intervento abbia svolto un ruolo causale nella remissione di tali episodi.
    Notes: Abstract A 51-year-old man with cluster headache has been free from cluster attacks for over two years following ascending aorta/innominate artery bypass surgery for correction of an atherosclerotic narrowing at the origin of the innominate artery. Surgery may have been a causal factor in the remission of these attacks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02043965
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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