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Wednesday, November 25, 2020 | History

2 edition of Cough and other respiratory reflexes found in the catalog.

Cough and other respiratory reflexes

J. Korpa s

Cough and other respiratory reflexes

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  • 17 Currently reading

Published by S. Karger in Basel .
Written in English


Edition Notes

StatementJ. Korpa s and Z. Tomori.
SeriesProgress in respiratory research -- Vol.12
ContributionsTomori, Z.
The Physical Object
Paginationxii,356
Number of Pages356
ID Numbers
Open LibraryOL13949541M

airway [ar´wa] 1. the passage by which air enters and leaves the lungs. 2. a mechanical device used for securing unobstructed respiration when the patient is not breathing or is otherwise unable to maintain a clear passage, such as during general anesthesia or respiratory arrest. Oropharyngeal Airway. This device is inserted into the mouth to prevent.


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Cough and other respiratory reflexes by J. Korpa s Download PDF EPUB FB2

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.

Try the new Google Books. Check out the new look and enjoy easier access to your favorite features. Try it Cough and other respiratory reflexes book. Cough and Other Respiratory Reflexes. - Cough - pages. 0 Reviews. What people are saying - Write a review.

We haven't found any reviews in the usual places. Bibliographic information. Cough and other respiratory reflexes / J. Korpas and Z. Tomori S. Karger Basel ; New York Wikipedia Citation Please see Wikipedia's template documentation for further citation fields that may be required.

Studies in which cough and other airway protective responses have been stimulated by introducing a small bolus of water or saline into the pharynx of sleeping infants have found that the predominant responses are swallowing, apnoea and laryngeal closure.

Coughing is by: Some expectorants are antitussives; however, Lobelia inflata promotes cough reflex. Thus Lobelia clears lungs better than other expectorants when cough is productive. Other expectorants include Glycyrrhiza glabra (licorice), Pelargonium sidoides (South African geranium), Hedera helix (ivy), and wild cherry bark.

The etiology of the ‘ear-cough’ (or oto-respiratory) reflex is related to stimulation of the auricular branch of the vagus nerve (Arnold's nerve) [34,35]. Another rare cause of chronic cough is Holmes-Adie syndrome due to autonomic dysfunction affecting the vagus nerve [ 36 ] patients present anisocoria, abnormal deep tendon reflexes, and patchy areas of hyperhidrosis Cited by: In stroke patients, one of these cough reflex pathways can be disrupted, resulting in an inadequate cough reflex and leading to aspiration (Polverino et al., ).

Effortful swallow. A cough is a spontaneous reflex. When things such as mucus, germs or dust irritate your throat and airways, your body automatically responds by coughing.

Similar to other reflexes such as sneezing or blinking, coughing helps protect your body. Key Facts. Coughing is an important reflex that helps protect your airway and lungs against irritants. A cough is a respiratory reaction that helps protect the lungs from irritating or damage substances.

Coughing is a reflex action and involves rapid inhalation, closing off of the throat, increase in internal pressure in the chest, and forceful exhalation.

A cough is a respiratory reaction that helps protect the lungs from irritating or damage. The early inspiratory sniffs and other spasmodic inspirations, including provocation of the Cough and other respiratory reflexes book, result in down-regulation of coughing and may substantially retard a flu or other respiratory infection pandemic.

Rapid reflex or voluntary hyperinflation or occluded lung deflation—started at the early expiratory phase by pressure pulses—may Cited by: 1.

Cough and other Respiratory Reflexes. and a significant chapter on the response to therapeutic mix in one book the contributions and spirit of. Cough and Other Respiratory Reflexes Progress in respiration research – Zvä ISSN Autori: Juraj Korp.

The ventral respiratory group stimulates expiratory movements. The dorsal respiratory group stimulates inspiratory movements. The medulla also controls the reflexes for nonrespiratory air movements, such as coughing and sneezing reflexes, as well as other reflexes.

This chapter examines the physiology and pathophysiology of cough. It explains that cough is an essential variable reflex that protects the respiratory tract and which involves many muscle groups to produce a major expulsive effort.

The chapter analyses the afferent limb of the cough reflex covering the laryngeal, tracheobronchial, and other sites from which the reflex may be Author: Sam H. Ahmedzai. Pulmonary irritant receptors (cough receptors) in the epithelium of the respiratory tract are sensitive to both mechanical and chemical stimuli.

The bronchi and trachea are so sensitive to light touch that slight amounts of foreign matter or other causes of irritation initiate the cough reflex. The larynx and carina are especially sensitive.

The cough reflex arc consists of five parts: 1) cough receptors; 2) afferent nerves; 3) brainstem cough generator circuit; 4) efferent nerves; and 5) effector organs (muscles). Hypersensitivity of the cough nociceptors elicits pathological cough.

Numerous respiratory and other diseases cause cough nerve hypersensitivity and thus, produce by: 3. Cough Reflex – Physiology, Process, Ear-Cough Reflexes Posted by Dr. Chris Coughing is a reflex mechanism by which the body rids the lower respiratory tract of any irritant that enters through the air and less frequently any fluids (drinks) and solids (food) that may spill into the respiratory tract.

Other. Cough may also be caused by conditions affecting the lung tissue such as bronchiectasis, cystic fibrosis, interstitial lung diseases and sarcoidosis. Coughing can also be triggered by benign or malignant lung tumors or mediastinal masses. Through irritation of the nerve, diseases of the external auditory canal (wax, for example) can also cause ciation: pronunciation (helpinfo) Latin: tussis.

A cough that persists for eight or more weeks is known as a chronic cough, and it can occur along with a variety of other symptoms like shortness of breath or a runny nose. Chronic cough often Author: Stephanie Watson. Chronic Cough 1 Prevalence, pathogenesis, and causes of chronic cough Kian Fan Chung, Ian D Pavord Cough is a refl ex action of the respiratory tract that is used to clear the upper airways.

Chronic cough lasting for more than 8 weeks is common in the community. The causes include cigarette smoking, exposure to cigarette smoke, and. However, given their location at the entry to the trachea, they have the capacity to produce a variety of respiratory protective reflexes, including cough and apnea, as well as reflexes that promote airway patency by activation of upper airway.

Coughing is a natural reflex. It’s your body’s way of clearing your airways of irritants (such as mucus, allergens, or smoke) and preventing infection. Coughs are often categorized as dry or Author: Scott Frothingham. Start studying Anatomy & Physiology 2, Ch. The Respiratory System _ Martini.

Learn vocabulary, terms, and more with flashcards, games, and other study tools. The cough of HF may be dry, or it may produce thin, frothy white sputum.

Leg swelling, fatigue, and exercise intolerance are other common symptoms of HF. Abnormal swallowing can lead to persistent coughing if food triggers the cough reflex by heading down the "windpipe" instead of the "food pipe." Called aspiration, the problem occurs mainly in.

Cough is an essential component for lung health maintenance, but persistent or excessive cough ceases to be protective, is bothersome, and adversely affects quality of life. Although cough is associated with a variety of diseases, the duration of cough helps narrow the potential etiologies for cough symptoms.

Coughing is an important defensive reflex that occurs through the stimulation of a complex reflex arc. It accounts for a significant number of consultations both at the level of general practitioner and of respiratory specialists.

In this review we first analyze the cough reflex under normal conditions; then we analyze the anatomy and the neuro-pathophysiology of the cough reflex Cited by: Cough, an expulsive reflex initiated when the respiratory tract is irritated by infection, noxious fumes, dust, or other types of foreign bodies.

The reflex results in a sudden expulsion of air from the lungs that carries with it excessive secretions or foreign material from the respiratory tract. Cough is beneficial; pneumonia frequently results when an effective cough reflex is lost as a. The cough reflex sensitivity to capsaicin was determined using a compressed air-driven nebulizer in 21 children (8 girls and 13 boys of median age year) suffering from mild asthma (FEV 1 ∼80%).

The effect of five previous DIs through the nose was examined on the elicitability of two and five or more cough efforts (C2, C5).Cited by: 4. The expiration reflex (ER) is a forced expiratory effort against a closed glottis that subsequently opens to eject laryngeal debris and prevent aspiration of material.

It is distinct from the cough reflex. Its source is usually assumed to be restricted to the larynx and vocal folds, and its possible origin from the tracheobronchial (TB) tree has been suggested but never by:   A year-old male patient, Hindu priest by profession for the last 32 years, presented with a history of dry cough and evening rise of temperature for the past 6 months.

He had no other respiratory symptoms or any symptoms referable to other systems. He had no weight loss or anorexia. He was a diabetic and had been taking metformin for the past 10 : M. Vishnu Sharma, B. Srinivas Kakkilaya, Irfan A. Shekh, Alka C. Bhat, D.S.

Harsha. The cough reflex (CR) and the expiration reflex (ER) are two defensive reflexes from the respiratory tract, the latter mainly from the larynx. Both are elicited by mechanical and chemical irritation of the airway mucosa, and are a characteristic of airway diseases, but they have different functions.

The CR first draws air into the lungs, to accentuate the subsequent Cited by: Symptoms & Diagnosis Cough is a very common symptom, with multiple causes, that most people have experienced at some time in their life. Common causes of coughing include viral upper respiratory infections, lung disease, heart failure, reflux, choking on food or other foreign bodies in your throat, side effects of certain medications, exposure to airway irritants, such as.

"Dry air -- especially common in the winter -- can irritate a cough," Edelman says. On the other hand, cranking up the humidifier too high isn't helpful, : R. Morgan Griffin. A cough is a reflex action to clear your airways of mucus and irritants such as dust or smoke.

It's rarely a sign of anything serious. A "dry cough" means it's tickly and doesn't produce any phlegm (thick mucus). A "chesty cough" means phlegm is produced to help clear your airways. Most coughs clear up within three weeks and don't require any.

Learn how our brain receives information from mechanoreceptors and then responds by controlling muscles in a well-coordinated system, and how all of this can lead to a sneeze, a cough, or even a.

Without an effective cough reflex, we are at risk for retained airway secretions and aspirated material predisposing to infection, atelectasis, and respiratory compromise.

At the other extreme, excessive coughing can be exhausting; can be complicated by emesis, syncope, muscular pain, or rib fractures; and can aggravate abdominal or inguinal. Respiratory care and other treatment modalities (oxygen, incentive spirometry, chest physiotherapy [CPT], and oral, inhaled, or IV medications) may be continued at home.

Therefore, the nurse needs to instruct the patient and family in their correct and safe use. Guaifenesin increases respiratory tract mucus secretions, acts as an irritant to gastric vagal receptors and recruits efferent parasympathetic reflexes that cause glandular exocytosis.

This agent reduces the viscosity of mucus secretion by reducing adhesiveness and surface tension as well as increasing hydration of mucus.

A cough is a forceful expulsion of air from the lungs that helps to clear secretions, foreign bodies, and irritants from the may be classified as acute (8 weeks), as well as productive (with sputum/mucus expectoration) or respiratory tract infections (URI) and acute bronchitis are the most common causes of acute cough.

Mechanism of cough reflex Vocal cords and epiglottis suddenly open widely. Air is expelled at velocities ranging from 75 to miles/hr. Mechanism of cough reflex The bronchi and non-cartilaginous part of the trachea collapse to form slits through which air is forced,which clears out any irritants attached to the respiratory lining 8.

A central cough network in which SARs facilitate cough via activation of brainstem second-order neurons (termed pump cells) of the SAR reflex pathway has been proposed. In this model, SARs, through the activation of pump cells, open an as-yet-unidentified “gate” in the brainstem that is thought to promote by: They can irritate your windpipe, vocal chords, and throat and make you cough.

Other causes. Many other problems -- lung inflammation, sleep apnea, and drug side effects -- can be triggers.REVIEW Open Access Anatomy and neuro-pathophysiology of the cough reflex arc Mario Polverino1*, Francesca Polverino2, Marco Fasolino3, Filippo Andò4, Antonio Alfieri1 and Francesco De Blasio5 Abstract Coughing is an important defensive reflex that occurs through the stimulation of a complex reflex arc.