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2 edition of investigation of the carotid sinus reflex in stutterers. found in the catalog.

investigation of the carotid sinus reflex in stutterers.

Beatrice Francis Jacoby

investigation of the carotid sinus reflex in stutterers.

by Beatrice Francis Jacoby

  • 129 Want to read
  • 24 Currently reading

Published in New York .
Written in English


Classifications
LC ClassificationsRC424 .J3
The Physical Object
Pagination51 p.
Number of Pages51
ID Numbers
Open LibraryOL264097M
LC Control Numbermed48001190
OCLC/WorldCa14752790

Carotid Sinus Massage Definition Carotid sinus massage involves rubbing the large part of the arterial wall at the point where the common carotid artery, located in the neck, divides into its two main branches. Purpose Sinus, in this case, means an area in a blood vessel that is bigger than the rest of the vessel. This is a normal dilation of the vessel. Carotid Body and Carotid Sinus – General Information. See also: Carotid Body Paragangliomas, Carotid Body Tumor Case Example, and Carotid Body Tumor Resection Carotid Body. The carotid body is a chemoreceptor located in the adventitia of the bifurcation of the common carotid artery.

Carotid sinus reflex information including symptoms, causes, diseases, symptoms, treatments, and other medical and health issues. Carotid sinus reflex synonyms, Carotid sinus reflex pronunciation, Carotid sinus reflex translation, English dictionary definition of Carotid sinus reflex. n. A dilated area located at the bifurcations of the carotid arteries and containing numerous baroreceptors that function in the control of blood pressure.

  The term induced carotid sinus syndrome refers to a clinical situation in which a patient has no clear history of accidental mechanical manipulation of the carotid sinuses and has a negative result from workup for syncope, except for a hypersensitive response to carotid sinus massage, which can be attributed to the patient's symptoms. Induced carotid sinus syndrome is more prevalent than. Introduction: Carotid sinus Description of Carotid sinus. Carotid sinus: slight dilation in the carotid artery at its bifurcation into the external and internal carotid arteries; it contains baroreceptors (pressure sensors) that when stimulated, will cause a reflex slowing of the heart, vasodilation and a fall in blood pressure. Source: CRISP. Carotid sinus: The dilated portion of the common.


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Investigation of the carotid sinus reflex in stutterers by Beatrice Francis Jacoby Download PDF EPUB FB2

The carotid sinus contains numerous baroreceptors which function as a "sampling area" for many homeostatic mechanisms for maintaining blood carotid sinus baroreceptors are innervated by the sinus nerve of Hering, which is a branch of cranial nerve IX (glossopharyngeal nerve).The glossopharyngeal nerve synapses in the nucleus tractus solitarii (NTS) located in the medulla MeSH: D The carotid sinus reflexes John Tuckman, M.D.* Solomon R.

Slater, M.D. Milton Mendlowitz, M.D. New York, N. nthe Welsh physician Parry' wrote that he could often produce a temporary slowing of heart rate in his patients by strong pressure on one of the carotid by: Parry SW, Richardson DA, O'Shea D, et al. Diagnosis of carotid sinus hypersensitivity in older adults: carotid sinus massage in the upright position is essential.

Heart ; Kerr SR, Pearce MS, Brayne C, et al. Carotid sinus hypersensitivity in asymptomatic older persons: implications for diagnosis of syncope and falls. The carotid sinus region is an important baroreceptor area involved in blood pressure regulation. 8 During dissection of the carotid artery, caution should be exercised to avoid disruption of the carotid sinus nerves (Fig.

Sinus bradycardia and hypotension may occur owing to baroreceptor stimulation with the possibility of a new setpoint. The Carotid Sinus (or carotid bulb) is a dilated area of the carotid artery, located just before the artery reaches the brain.

The Carotid Sinus is under the control of the autonomic nervous system (ANS) and consists of various nerve receptors for baroregulation (pressure regulation of the body), making it sensitive to pressure changes in the.

Definition. Carotid sinus syndrome is defined, by the new Guidelines of the European Society of Cardiology (ESC) 1 as syncope with reproduction of symptoms during carotid sinus massage (CSM) of 10s duration.

It is cardioinhibitory (CI) when CSM generates >3s asystole (Figure 1).It is always vasodepressor but the degree of vasodepression varies and when it exists alone, the vasodepressor Cited by: carotid sinus reflex: [ re´fleks ] a reflected action or movement; the sum total of any particular automatic response mediated by the nervous system.

A reflex is built into the nervous system and does not need the intervention of conscious thought to take effect. The knee jerk is an example of the simplest type of reflex. When the knee is.

the carotid sinus baroreceptor reflex can influence respiratory function. However, there has been little information published regarding the quantitative ex-tent of carotid sinus baroreceptor reflex control of respiration over the full working range of carotid sinus baroreceptor pressures.

In order to study the. The carotid sinus syndrome (CSS) is characterized by syncope and hypotension due to a hypersensitive carotid sinus located in the carotid bifurcation. Some patients ultimately require surgical sinus denervation, possibly by transection of its afferent nerve (carotid sinus nerve [CSN]).

The aim of this study was to investigate the anatomy of the CSN and its by: Carotid sinus syndrome. It has long been observed that pressure at the site where the common carotid artery bifurcates produces a reflex that leads to slowing in heart rate and fall in blood pressure.

In some individuals an abnormal response to carotid massage (CSM) is observed. Other articles where Carotid sinus syncope is discussed: syncope: Carotid sinus syncope, sometimes called the tight-collar syndrome, also causes brief unconsciousness from impaired blood flow to the brain.

Unlike the ordinary faint, this syncope is not preceded by pallor, nausea, and sweating. (The carotid sinus is a widened portion of the carotid artery where. Carotid Body and Carotid Sinus (Anatomy, Functions, Clinical application) Medical animation - Duration: Dr.G Bhanu Prakash Animated Medical Vid views   Background.

Carotid sinus syndrome is a rare but serious manifestation of head and neck malignancy [].Although a number of different types of the syndrome have been proposed by Weiss and Baker [], it is not always easy to fit a patient into these r, to our knowledge, this is the first report of cystadenolymphoma presenting as recurrent syncopal episodes, and the surgical Cited by: 1.

of discoveries and first descriptions of the carotid sinus, carotid body (CB), and CSN was presented by Adams (), in whose work detailed comparative anatomy was also addressed. In this work, we review the structural and functional aspects of the CSN, with reference to both the targets of its sensory innervation, that is, the carotid sinus Cited by: is a rapid access, point-of-care medical reference for primary care and emergency clinicians.

Started inthis collection now contains interlinked topic pages divided into a tree of 31 specialty books and chapters. This investigation was supported by a grant from the National Heart Foundation of Australia. Received Ma Accepted for publication stimulation of the carotid sinus and aortic baroreceptors ().

Comroe (5) observed that the cardiovascu-lar and respiratory responses to carotid body chemoreceptor stimulation differ from.

Carotid Sinus Reflexes reflexes that bring about changes in arterial pressure, heart action, and respiration in response to the stimulation of nerve endings (baroreceptors or chemoreceptors) in the carotid sinus. The carotid sinus reflexes are among the mechanisms that regulate by reflex action the constancy of arterial pressure and maintain the level.

T1 - The hypersensitive carotid sinus reflex. AU - Hoffman, Elmer. AU - Rochberg, Samuel. PY - / Y1 - / N2 - 1.

A brief description of the carotid sinus reflex, its anatomy, physiology and pharmacology has been presented. The treatment of such a reflex is summarized, with a few suggestions on prophylaxis and an Cited by: 3. The carotid sinus is a slightly enlarged area in the carotid artery where it divides into the internal and external carotids.

Within it are sensitive areas called baroreceptors respond to pressure and when stimulated can cause reduced blood pressure, vasodilation, and can slow the heartbeat. Often called the common carotid, the carotid artery is the major artery that. The relationship between carotid sinus hypersensitivity, orthostatic hypotension, and vasovagal syncope: a case-control study.

Europace. Dec. 10(12) Krediet CT, Jardine DL, Wieling W. Dissection of carotid sinus hypersensitivity: the timing of vagal and vasodepressor effects and the effect of body position. SIR—Carotid sinus massage (CSM) is a useful diagnostic tool in the investigation of unexplained falls and syncope.

Despite the increased use of CSM, concerns persist regarding its safety particularly in older patients. The principal concern relates to the development of neurological events secondary to by: 8. Weiss and Baker 2 in called attention to the fact that a hypersensitive carotid sinus reflex was responsible for spontaneous attacks of vertigo, syncope, convulsions, and lesser symptoms.

They described three types of carotid sinus syndrome: (1) the cardioinhibitory, or vagal, type with cardiac slowing or asystole, which is prevented by Cited by:   In our body’s anatomy, the carotid sinus also known as carotid bulb is an area which is located in the superior portion of the area of bifurcation of the common carotids.

This sinus is extremely sensitive to pressure changes in the arterial blood. When this sinus becomes sensitive to even minor stimulation, it may result in many complications.