The internal jugular vein is formed from the sigmoid sinus of the dura mater by the anastomosis of blood, runs to sternocleidomastoid, is the subject of a popular idiom in the English language. The internal jugular runs provides venous drainage for the contents of the skull. The jugular venous pressure is observed indirectly pressure over the venous system. The jugular veins Pressure Waveform correspond with atrial venous filling and ventricular contraction with atrial contraction. The downward deflections correspond with the filling and the atrium relaxing.
The av minimum is due to relaxation of the right atrium. The c peak reflects the pressure rise during systole in the right ventricle. The y minimum reflects a fall during rapid ventricular filling in right atrial pressure.
Arteriovenous malformation is an abnormal connection