Apoplexy (from Ancient Greek , meaning “a striking away”) is bleeding within internal organs and the accompanying symptoms. For example, ovarian apoplexy is bleeding in the ovaries. The term formerly referred to what is now called a stroke; nowadays, health care professionals typically specify the type of apoplexy, such as cerebral, ovarian and pituitary apoplexy.
Informally, apoplexy is associated with being furious, especially as “apoplectic.
From the late 14th to the late 19th century, apoplexy referred to any sudden death that began with a sudden loss of consciousness, especially one in which the victim died within a matter of seconds after losing consciousness. The word apoplexy may have been used to refer to the symptom of sudden loss of consciousness immediately preceding death. Ruptured aortic aneurysms, and even heart attacks and strokes were referred to as apoplexy in the past, because before the advent of medical science there was little ability to differentiate pathoses because there was very little accurate understanding of physiology in general.