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The vagus nerve, also known as the tenth cranial nerve, cranial nerve X, or simply CN X, is a cranial nerve that carries sensory fibers that create a pathway that interfaces with the parasympathetic control of the heart, lungs, and digestive tract. It comprises two nerves—the left and right vagus nerves—but they are typically referred to collectively as a single subsystem. The vagus is the longest nerve of the autonomic nervous system in the human body and comprises both sensory and motor fibers. The sensory fibers originate from neurons of the nodose ganglion, whereas the motor fibers come from neurons of the dorsal motor nucleus of the vagus and the nucleus ambiguus. The vagus was also historically called the pneumogastric nerve.
Palpitations are perceived abnormalities of the heartbeat characterized by awareness of cardiac muscle contractions in the chest, which is further characterized by the hard, fast and/or irregular beatings of the heart.
Abbott Laboratories is an American multinational medical devices and health care company with headquarters in Abbott Park, Illinois, United States. The company was founded by Chicago physician Wallace Calvin Abbott in 1888 to formulate known drugs; today, it sells medical devices, diagnostics, branded generic medicines and nutritional products. It split off its research-based pharmaceuticals business into AbbVie in 2013.
Cranial electrotherapy stimulation (CES) is a form of neurostimulation that delivers a small, pulsed, alternating current via electrodes on the head. CES is used with the intention of treating a variety of conditions such as anxiety, depression and insomnia. CES has been suggested as a possible treatment for headaches, fibromyalgia, smoking cessation, and opiate withdrawal, but there is little evidence of effectiveness for many of these conditions and the evidence for use in acute depression is not sufficient to justify it.
Transcutaneous electrical nerve stimulation is the use of electric current produced by a device to stimulate the nerves for therapeutic purposes. TENS, by definition, covers the complete range of transcutaneously applied currents used for nerve excitation although the term is often used with a more restrictive intent, namely to describe the kind of pulses produced by portable stimulators used to reduce pain. The unit is usually connected to the skin using two or more electrodes which are typically conductive gel pads. A typical battery-operated TENS unit is able to modulate pulse width, frequency, and intensity. Generally, TENS is applied at high frequency (>50 Hz) with an intensity below motor contraction or low frequency (<10 Hz) with an intensity that produces motor contraction. More recently, many TENS units use a mixed frequency mode which alleviates tolerance to repeated use. Intensity of stimulation should be strong but comfortable with greater intensities, regardless of frequency, producing the greatest analgesia. While the use of TENS has proved effective in clinical studies, there is controversy over which conditions the device should be used to treat.
Fluticasone/salmeterol, sold under the brand name Advair among others, is a fixed-dose combination medication containing fluticasone propionate and salmeterol. It is used in the management of asthma and chronic obstructive pulmonary disease (COPD). It is used by inhaling the medication into the lungs.
Budesonide/formoterol, sold under the brand name Symbicort among others, is a fixed-dose combination medication used in the management of asthma or chronic obstructive pulmonary disease (COPD). It contains budesonide, a steroid and formoterol, a long-acting β2-agonist (LABA). The product monograph does not support its use for sudden worsening or treatment of active bronchospasm. However, a 2020 review of the literature does support such use. It is used by breathing in the medication.
An inhaler is a medical device used for delivering medicines into the lungs through the work of a person's breathing. This allows medicines to be delivered to and absorbed in the lungs, which provides the ability for targeted medical treatment to this specific region of the body, as well as a reduction in the side effects of oral medications. There are a wide variety of inhalers, and they are commonly used to treat numerous medical conditions with asthma and chronic obstructive pulmonary disease (COPD) being among the most notable.
Vagus nerve stimulation (VNS) is a medical treatment that involves delivering electrical impulses to the vagus nerve. It is used as an add-on treatment for certain types of intractable epilepsy and treatment-resistant depression.
The auricular branch of the vagus nerve is often termed the Alderman's nerve or Arnold's nerve. The latter name is an eponym for Friedrich Arnold. The auricular branch of the vagus nerve supplies sensory innervation to the skin of the ear canal, tragus, and auricle.
Mepolizumab, sold under the brand name Nucala by GlaxoSmithKline, is a humanized monoclonal antibody used for the treatment of severe eosinophilic asthma, eosinophilic granulomatosis, and hypereosinophilic syndrome (HES). It recognizes and blocks interleukin-5 (IL-5), a signalling protein of the immune system.
Stephen Michael Hahn is an American physician who served as the Commissioner of Food and Drugs from 2019 to 2021. Before becoming Commissioner, he was an oncologist serving as Chief Medical Executive of the MD Anderson Cancer Center. In 2021 he became Chief medical officer at the venture capital firm that launched Moderna.
Kevin J. Tracey, a neurosurgeon and inventor, is the president and CEO of the Feinstein Institute for Medical Research, professor of neurosurgery and molecular medicine at the Zucker School of Medicine, and president of the Elmezzi Graduate School of Molecular Medicine in Manhasset, New York. The Public Library of Science Magazine, PLOS Biology, recognized Tracey in 2019 as one of the most cited researchers in the world.
Roflumilast, sold under the trade name Daxas among others, is a drug that acts as a selective, long-acting inhibitor of the enzyme phosphodiesterase-4 (PDE-4). It has anti-inflammatory effects and is used as an orally administered drug for the treatment of inflammatory conditions of the lungs such as chronic obstructive pulmonary disease (COPD).
Diaphragm pacing is the rhythmic application of electrical impulses to the diaphragm to provide artificial ventilatory support for respiratory failure or sleep apnea. Historically, this has been accomplished through the electrical stimulation of a phrenic nerve by an implanted receiver/electrode, though today an alternative option of attaching percutaneous wires to the diaphragm exists.
A vagal maneuver is an action used to stimulate the parasympathetic nervous system by activating the vagus nerve. The vagus nerve is the longest nerve of the autonomic nervous system and helps regulate many critical aspects of human physiology, including heart rate, blood pressure, sweating, and digestion through the release of acetylcholine. Common maneuvers that activate the vagus nerve include the Valsalva maneuver and carotid sinus massage, which can serve diagnostic or therapeutic functions.
An Emergency Use Authorization (EUA) in the United States is an authorization granted to the Food and Drug Administration (FDA) under sections of the Federal Food, Drug, and Cosmetic Act as added to and amended by various Acts of Congress, including by the Pandemic and All-Hazards Preparedness Reauthorization Act of 2013 (PAHPRA), as codified by 21 U.S.C. § 360bbb-3, to allow the use of a drug prior to approval. It does not constitute approval of the drug in the full statutory meaning of the term, but instead authorizes the FDA to facilitate availability of an unapproved product, or an unapproved use of an approved product, during a declared state of emergency from one of several agencies or of a "material threat" by the Secretary of Homeland Security.
Peter Sean Staats is an American physician, specializing in interventional pain medicine. He is the founder of the Division of Pain Medicine at the Johns Hopkins School of Medicine, and was the Division's chief for nearly a decade. He is a past president of the North American Neuromodulation Society, the New Jersey Society of Interventional Pain Medicine,the American Society of Interventional Pain Physicians ( ASIPP) the World Institute of Pain ( WIP), The Southern Pain Society.
Epinephrine, also known as adrenaline, is a medication and hormone. As a medication, it is used to treat several conditions, including anaphylaxis, cardiac arrest, asthma, and superficial bleeding. Inhaled epinephrine may be used to improve the symptoms of croup. It may also be used for asthma when other treatments are not effective. It is given intravenously, by injection into a muscle, by inhalation, or by injection just under the skin.
Indacaterol/glycopyrronium bromide/mometasone, sold under the brand name Enerzair Breezhaler among others, is an inhalable fixed-dose combination medication for the treatment of asthma. It contains indacaterol as acetate, glycopyrronium bromide, and mometasone furoate.
References
- ↑ "Company Overview of electroCore, Inc". www.bloomberg.com. Retrieved 2019-03-06.
- ↑ "Nerve stimulation device maker electroCore goes public with $78M IPO | FierceBiotech". www.fiercebiotech.com. Retrieved 2019-03-06.
- ↑ "This hand-held device is approved to treat cluster headaches". NBC News. Retrieved 2019-03-06.
- ↑ "ElectroCore wins cluster headache FDA 510(k) indication for GammaCore". MassDevice. 2018-11-28. Retrieved 2019-03-06.
- ↑ "Nerve Stimulator Approved for Cluster Headache". Pain News Network. Retrieved 2019-03-06.
- ↑ "Term Sheet -- Friday, June 22". Fortune. Retrieved 2019-03-06.
- ↑ "BRIEF-electroCore Announces Common Stock Purchase Agreement For Up To $25 Mln With Lincoln Park Capital". Reuters. 2020-03-27. Retrieved 2020-03-31.
- ↑ electroCore (2020-07-13). "electroCore Announces FDA Emergency Use Authorization for use of gammaCore Sapphire™ CV for the Acute Treatment of Asthma Exacerbations in Known or Suspected COVID-19 Patients". GlobeNewswire News Room. Retrieved 2020-07-15.
- ↑ https://www.truvaga.com/vagus-nerve-science/
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