Aschner phenomenon

oculocardiac reflex.

Medical dictionary. 2011.

Look at other dictionaries:

  • Aschner reflex (phenomenon) — Asch·ner reflex (phenomenon) (ahshґnər) [Bernhard Aschner, Austrian gynecologist, 1883–1960] oculocardiac reflex …   Medical dictionary

  • Aschner — Bernhard, Austrian gynecologist, 1883–1960. See A. phenomenon, A. reflex, A. Dagnini reflex …   Medical dictionary

  • phenomenon — 1. A symptom; an occurrence of any sort, whether ordinary or extraordinary, in relation to a disease. 2. Any unusual fact or occurrence. [G. phainomenon, fr. phaino, to cause to appear] adhesion p. a p. manifested by the adherence of antigen… …   Medical dictionary

  • fenómeno de Aschner — Eng. Aschner s phenomenon Ver reflejo de Aschner …   Diccionario de oftalmología

  • Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… …   Medical dictionary

  • Oculocardiac reflex — The oculocardiac reflex, also known as Aschner phenomenon, Aschner reflex, or Aschner Dagnini reflex, is a decrease in pulse rate associated with traction applied to extraocular muscles and/or compression of the eyeball. The reflex is mediated by …   Wikipedia

  • Okulokardialer Reflex — Der Okulokardiale Reflex („Augen Herz Reflex“) tritt bei Druck auf den Augapfel (Bulbus oculi) oder bei Zug an den Augenmuskeln auf. Der Organismus reagiert mit einem Abfall der Herzschlagfrequenz (Bradykardie) und des Blutdrucks (Hypotonie)… …   Deutsch Wikipedia

  • oculocardiac reflex — a slowing of the rhythm of the heart following compression of the eyes. A slowing of from 5 to 13 beats per minute is normal; one of from 13 to 50 or more is exaggerated; one of from 1 to 5 is diminished. If ocular compression produces… …   Medical dictionary

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