Carotid Sinus

The carotid sinus (sinus caroticis) is one of the large venous sinuses, which is located in the neck and connects the internal jugular vein with the common carotid artery. It is about 1.5 cm long and about 2 cm in diameter.

The carotid sinus is one of the important venous collectors that ensure the outflow of blood from the head and neck. It collects blood from the veins of the head, neck, face, and some other areas of the body.

In addition, the carotid sinus has the function of regulating blood pressure and metabolism in the body. It plays an important role in regulating heart rate and blood pressure, as it takes part in the formation of a pulse wave in the neck.

Venous drainage from the carotid sinus occurs in two main branches: the internal jugular vein and the common carotid artery. The internal jugular vein collects blood from the head and neck and drains into the superior vena cava, which is the main venous collector of the upper half of the body. The common carotid artery, on the other hand, collects blood from the upper limbs and head and sends it to the heart.

Disruption of the carotid sinus can lead to various diseases and pathological conditions. For example, sinus dysfunction can cause high blood pressure, changes in heart rate, dizziness, and other symptoms.

Thus, the carotid sinus plays an important role in the functioning of the cardiovascular system and is an important component of the body's venous system.

The carotid sinus (sinus node - English sinus node, synonyms: sinus node of the heart, inferior sinoatrial node, sinoatrial node; lat. sinus caroticus) is the natural rhythm of the heart. It is located on the border between the cervical and thoracic parts of the common carotid artery. This sinus is the nodal (automatic) mechanism of the heart. It generates an electrical impulse that triggers contraction of the atria and ventricles. The sinus node plays an important role in regulating heart rhythm, ensuring its synchrony and stability. Disturbances in the sinus node can lead to arrhythmias, myocardial ischemia and other serious diseases of the cardiovascular system.

The importance of the sinus node In a healthy person, it works without any deviations as long as the heart remains healthy. If it requires any overheating, underfilling, poor environment, certain medications or a previous infection, a malfunction will occur and the normal frequency of contraction of the heart muscle will be disrupted. In turn, these changes will allow you to restore the activity of your body if the patient is under the supervision of a doctor. Otherwise, this failure can lead to serious consequences, and sometimes to a sad outcome. Therefore, the task of every person is to take care of his physical health and not neglect the problems of his body and psyche.