What is often caused by carotid massage?

Carotid sinus hypersensitivity is an exaggerated response to pressure applied to the carotid sinus located in the carotid bifurcation, resulting in bradycardia, vasodilation, and hypotension. This response is manifested clinically as syncope or presyncope and can cause fatal consequences.

What does a carotid massage do to you?

What is carotid sinus massage ? This is a procedure that is used to investigate unexplained dizziness, falls or faints. It involves gently massaging the carotid artery for 5 seconds on one side of your neck whilst monitoring your heart rhythm and blood pressure.

What nerve does carotid massage stimulate?

The carotid sinus reflex occurs with changes in transmural pressure of the baroreceptors at the carotid sinus. Afferent signals are sent via glossopharyngeal and vagus nerves to the nucleus tractus solitarius. Efferent signaling occurs through sympathetic and vagus nerves to the heart and blood vessels.

What happens when the carotid sinus is stimulated?

In short, the increase in blood pressure in carotid sinus will stimulate stretch receptors, which leads to reflex bradycardia and systemic vasodilatation. The baroreceptor reflex is also critical in maintaining heart rate and blood pressure during postural changes.

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Can carotid massage cause stroke?

Take-away lessons: Neck massage should not be performed by patients. Neck massage/manipulation continues to be a cause of stroke to consider. Ischemic stroke after CS and carotid body manipulation is due to thromboembolism by rupture of a plaque or by hypoperfusion due to repetitive hypotension.

Is carotid massage safe?

Complications. Carotid sinus massage is safe if done carefully. CSM is contraindicated in patients with a history of cerebrovascular disease or carotid bruits, because it can cause cerebrovascular accident (CVA, stroke).

Can carotid massage cause death?

Carotid sinus reflex death is a potential etiology of sudden death in which manual stimulation of the carotid sinus allegedly causes strong glossopharyngeal nerve (Vagus nerve is for aortic arch baroreceptors) impulses leading to terminal cardiac arrest.

Why is simultaneous massage of both sides of the carotid sinus not recommended?

Rarely, performing CSM in patients with carotid artery disease may induce transient or permanent neurological symptoms. Simultaneous bilateral CSM is contraindicated, given the risk of compromising cerebral circulation.

What happens if you press too hard on the carotid artery?

Do not press on the carotid artery on both sides of your neck at the same time. This may cause you to feel lightheaded or dizzy, or possibly faint. Apply just enough pressure so you can feel each beat. Do not push too hard or you will obstruct the blood flow.

What is the cause of carotid sinus syncope?

In CSH, mechanical deformation of the carotid sinus (located at the bifurcation of the common carotid artery) leads to an exaggerated response with bradycardia or vasodilatation, resulting in hypotension, presyncope, or syncope.

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How is carotid sinus syndrome treated?

Appropriate therapeutic modalities may include surgery (carotid sinus denervation, pacemaker implantation, or glossopharyngeal nerve transection), carotid sinus irradiation, or medical management (avoidance of cervical pressure, omission of provocative drugs, or the administration of sodium chloride, sympathomimetic, …

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