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The jugular vein is the subject of an idiom in the English language: "to go for the jugular" means to attack decisively at the weakest point. However, this phrase is anatomically inaccurate, as the jugular is not the most critical or vulnerable point in the cardiovascular system.
The jugular venous pressure (JVP, sometimes referred to as jugular venous pulse) is the indirectly observed pressure over the venous system via visualization of the internal jugular vein. It can be useful in the differentiation of different forms of heart and lung disease .
The internal jugular vein is a paired jugular vein that collects blood from the brain and the superficial parts of the face and neck. This vein runs in the carotid sheath with the common carotid artery and vagus nerve. It begins in the posterior compartment of the jugular foramen, at the base of the skull.
With cardiac tamponade, jugular veins are distended and typically show a prominent x descent and an absent y descent as opposed to patients with constrictive pericarditis (prominent x and y descent); see Beck's triad. [1] Other possible causes of Kussmaul's sign include: [2] [citation needed] Right ventricular infarction - low ventricular ...
The jugulodigastric lymph nodes are found in the proximity of where the posterior belly of the digastric muscle crosses the internal jugular vein.Nodes are typically around 15 mm in length in adults, and decrease in size during old age. [1]
Thrombosis of the internal jugular vein can be displayed with sonography. Thrombi that have developed recently have low echogenicity or echogenicity similar to the flowing blood, and in such cases pressure with the ultrasound probe show a non-compressible jugular vein - a sure sign of thrombosis.
The external jugular is a large vein used in prehospital medicine for venous access when the paramedic is unable to find another peripheral vein. [4] It is commonly used in cardiac arrest or other situations where the patient is unresponsive due to the pain associated with the procedure.
The small veins merge to feed as tributaries into medium-sized veins. The medium veins feed into the large veins which include the internal jugular, and renal veins, and the venae cavae that carry the blood directly into the heart. [13] The venae cavae enter the right atrium of the heart from above and below.