The term ictus is used to name an acute and severe crisis in the body. An ictus can be any type of crisis, without distinguishing the form, nature, or origin. A stroke
, followed by a loss of consciousness
, is called an apoplectic stroke. When symptoms of stroke resulting from the spinal cord
occur abruptly, this is an intramedullary ictus. In the case of an episode of partial or total isolated amnesia, it is called transient global amnesia
. Tussive syncope
defines a brutal and prolonged cough leading to unconsciousness.