Friday, June 7, 2013
The Carotid Choke
It is important to understand what occurs when a cartoid choke is applied to the neck.
Carotid Sinus: the following extract from my Clinically Oriented Anatomy textbook, 3rd Edition 1992, by Keith L Moore. ISBN 068306133X. Publisher: Williams & Wilkins. Page 799 on, ....
Carotid Sinus: This is a small dilation of the proximal part of the internal carotid artery; it may involve the common carotid. A blood pressure regulating area (editor's emphasis), the carotid sinus is innervated principally by the glossopharyngeal nerve (CN IX) through a branch called the carotid sinus nerve..... the carotid sinus reacts to changes in arterial blood pressure (editor's emphasis) and effects appropriate modifications reflexly......
the carotid sinus responds by slowing the heart, owing to the parasympathetic outflow from the brain through the vagus nerve. Pressure on the carotid sinus may cause syncope (fainting) (editor's emphasis), and if the person happens to have a supersensitive carotid sinus, it may cause cessation of the heart beat (temporary or permanent
The commonly held theory that the blood flow is stopped to the brain is wrong. The decondary arteries provide enough blood to keep it awake. You are stopping the heart and causing the blood to stop accordingly.