What is the purpose of carotid sinus massage?

Carotid sinus massage is a simple bedside maneuver that helps to clarify the type and sometimes also the mechanism of different rhythm disturbances. The major indication for carotid sinus massage is the diagnosis of tachyarrhythmias in which the atrial activity is either absent or intermittently present.

What does carotid massage stimulate?

The carotid sinus reflex is an integral component of the homeostatic mechanisms of blood pressure regulation. Increases in intrasinus pressure stimulate mechanoreceptors, which participate in an afferent arc terminating in the brainstem.

What happens when carotid sinus is pressed?

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 happens if you massage your carotid artery?

In some people the carotid sinus becomes over-sensitive which can cause the blood pressure to drop or the heart rate to slow when it is massaged. This can result in dizziness, falls or faints.

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Is carotid sinus 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.

Does carotid massage increase blood pressure?

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.

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.

Does the vagus nerve affect the sinuses?

The Vagus nerve serves the sinuses, the back of the throat (pharynx), and the larynx.

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.

When should you not do carotid massage?

Absolute contraindications to carotid sinus massage include myocardial infarction, transient ischemic attack or stroke within the preceding three months. A history of ventricular fibrillation or tachycardia, or a previous adverse reaction to carotid sinus massage are also absolute contraindications.

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What happens to heart rate during carotid massage?

limb of the carotid sinus reflex reaches the sympathetic and parasympathetic nervous system of the heart and the peripheral vasculature. Stimulation of the carotid sinus slows the heart rate and may prolong atrioventricular conduction time [ 1.21.

Can nurses perform carotid massage?

04 In reference to agenda item 3a, it is within the realm of nursing practice for a registered nurse to perform carotid massage within the presence of the physician, in an I.C.U. or telemetry setting, or in the absence of the physician in either setting, provided the registered nurse has knowledge, preparation and …

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