concerned about upcoming surgery with possible general anesthesia. When i.v. Subscribe to Drugs.com newsletters for the latest medication news, new drug approvals, alerts and updates. Seventy-four per cent were successfully treated by chest compression against 38% by the standard method. Vocal cord dysfunction is often misdiagnosed as asthma, and a considerable subset of patients with vocal cord dysfunction also have asthma, making the diagnosis more difficult.2,8 A careful patient history may help to differentiate between the two conditions. Sign up for free, and stay up to date on research advancements, health tips and current health topics, like COVID-19, plus expertise on managing health. Sensory input is via the internal branch of the superior laryngeal nerve and motor response is via the intrinsic laryngeal muscles and is mediated by the recurrent laryngeal nerve. Laryngospasm that does not improve on its own is a life-threatening emergency. Raise the head of your bed a few inches by putting wood blocks under the bedpost. In order to re-establish oxygenation, a clear management plan is required to avoid significant morbidity and even mortality. A laryngospasm that becomes life-threatening may be treated with any of the following: Medicines may be given help relax the muscles around your airway so it will An oxygen saturation which continues to decrease below 80% with or without an accompanying bradycardia should prompt the anaesthetist to act quickly to regain oxygenation of the patient. If GERD is what triggers your laryngospasms, treatment measures that reduce acid reflux may help keep them from happening. The use of the laryngeal mask airway (LMA) and the inexperience of the anaesthetist, especially when dealing with children, have been associated with a greater incidence of laryngospasm. in a dose of 4 mg kg1. You could pass o Do you have problem getting air in or pushing air out? These tests could include chest X-rays and CT scans. Stay hydrated to loosen up the mucus in your chest. Its not life-threatening, but you should speak with your doctor if you experience this. Asthma is the most common cause of bronchospasm, but there are several other things that can result in the condition, including: Bronchospasm is a symptom of several different conditions. When laryngospasm is successfully treated, ventilation should be supported initially with 100% oxygen. Practically, i.l. There is a problem with It can be given i.v. ), or the intraosseous route (i.o.). Lumb A, et al. Therapy that incorporates a variety of techniques, including relaxed-throat breathing, has been shown to improve symptoms of vocal cord dysfunction and reduce recurrences.8,30, Anticholinergics may be a helpful adjunct in patients with exercise-induced vocal cord dysfunction. Even so, these exercises cant stop a bronchospasm once its started. If stress or anxiety cause laryngospasms, you may need help from a mental health professional in addition to your regular doctor. Good communication to other immediate team members is vital to ensure success. what they thought is asthma and allergic to all foods. When a person breathes normally, the vocal cords move away from the midline during inspiration and only slightly toward the midline during expiration.1 However, in patients with vocal cord dysfunction, the vocal cords move toward the midline during inspiration or expiration, which creates varying degrees of obstruction.2 Vocal cord dysfunction has numerous labels in the literature, including paradoxical vocal cord dysfunction,3 paradoxical vocal fold motion,4 and factitious asthma.5, Vocal cord dysfunction occurs more often in women than in men, and is common in persons 20 to 40 years of age.2,6,7 However, studies have identified vocal cord dysfunction in adolescents and in children as young as eight years.8. Direct laryngeal or distant visceral stimulation can produce laryngospasm in light planes of anaesthesia. Oxford University Press is a department of the University of Oxford. While the effects take longer to kick in, they last for up to 12 hours. Propofol is the traditional agent, at a dose of 0.5mg/kg IV Also, limit alcohol consumption. Laryngitis. Make your tax-deductible gift and be a part of the cutting-edge research and care that's changing medicine. Vocal cord dysfunction is similar to asthma, and both can trigger laryngospasms. In very rare instances, bronchodilators commonly used to treat bronchospasm can actually make the condition worse. Limit exercise when the pollen count is elevated, especially if you have allergies. GERD is characterized by stomach acid or undigested food coming back up your esophagus. This content does not have an English version. The sensation of mucus sticking in the throat, and/or post-nasal drip. Though it can be scary while it's happening, laryngospasm typically goes away within a couple of minutes. Dunn NM, et al. Do you have allergies? Steroids help reduce inflammation in your airways. Your provider may recommend certain assessments to determine how well your lungs are functioning. Bacterial, viral or fungal infections of the lungs or airways. route as appropriate. Post-obstructive pulmonary oedema occurred in 4% and pulmonary aspiration in 3%. Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press. Risk factors for laryngospasm in this patient include history of asthma, recent extubation, and residual ENT and Head Many things can cause bronchospasm, including asthma, and its usually managed with bronchodilators. However, research is ongoing and more evidence is needed in this area. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. Should i.v. If GERD is the problem, treating the condition can help manage laryngospasm. ensuring a clear larynx, that is, checking for blood or stomach contents; relieving any possible supra-glottic component to the airway obstruction; As part of the initial treatment, a vigorous jaw thrust will lift the tongue off the pharyngeal wall and potentially help lift the supraglottic tissues from the false vocal cords. Truong A, et al. Short-acting bronchodilators offer quick rescue relief for bronchospasm symptoms. Kahrilas PJ. route. is it laryngospasm? Also, a ring of titanium beads can be placed around the outside of the lower esophagus. See permissionsforcopyrightquestions and/or permission requests. Is there a generic alternative to the medicine you're prescribing? Superior laryngeal nerve blocks have been described to successfully treat recurrent laryngospasm in a small case series. Described here is one behavior modification program patients with chronic cough or laryngospasm can start at home, though ideally such patients should work Available for Android and iOS devices. Pulmonary function testing with a flow-volume loop is useful in confirming a diagnosis of vocal cord dysfunction. Accessed June 30, 2020. https://www.uptodate.com/contents/search. Early recognition and prompt treatment are crucial and include applying continuous positive airway pressure (CPAP) with 100% oxygen via a tight-fitting face mask, vigorous jaw thrust, and removing the offending stimulus. 2014. This is called paradoxical bronchospasm. Sedation may be deepened, particularly with the use of propofol. Exercise (exercise-induced bronchospasm). https://www.merckmanuals.com/professional/pediatrics/respiratory-disorders-in-young-children/croup?query=croup. All rights reserved. If you develop bronchospasm symptoms that linger or interfere with your daily activities, contact your healthcare provider. Laryngospasms are often a symptom of an underlying condition. https://www.nidcd.nih.gov/health/taking-care-your-voice. This is unrelated to laryngospasms that happen during anesthesia. However, if laryngospasm is not rapidly settling, the only options are to rapidly deepen anaesthesia or to paralyse. Also known as Larsons maneuver, this involves bilateral firm digital pressure on the styloid process behind the posterior ramus of the mandible. Animal work on the glottic closure reflex shows that reflex closure of the larynx is less likely during the expiratory phase of breathing and more likely during the inspiratory phase. Alalami AA, Ayoub CM, Baraka AS. succinylcholine is a reasonable option. Learn about cricopharyngeal spasms and how they affect your throat. Sometimes the muscles that line your bronchi tighten and cause your airways to narrow. This route is probably the most reliable route into the systemic circulation in a peri-arrest situation as may occur in severe laryngospasm. If youre able to breathe during a laryngospasm, you may hear a hoarse whistling sound, called stridor, as air moves through the smaller opening. A sleep-related laryngospasm will cause a person to wake up out of a deep sleep. Should laryngospasm not break, after efforts to deepen anaesthesia, paralysis may be necessary. WebBronchospasm treatment usually starts with bronchodilators. needle will allow for the administration of resuscitation drugs if necessary. Chronic obstructive pulmonary disease and anaesthesia. During the emergence phase, one may be tempted to sit it out after ensuring the upper airway is clear. Accessed July 6, 2020. Tubes or instruments placed in your airway during surgery may cause laryngospasm. WebTreatment of laryngospasm in pediatric patients is with pharmacologic or physical techniques. The No Touch technique is essentially an awake extubation. Laryngospasm is a physiological exaggeration of the protective glottic closure reflex that is characterized by sustained closure of the true and false vocal cords and redundant supraglottic tissue (Figure 1). 297-302.News release, FDA. Accessed July 6, 2020. i sometimes use meclizine (12 or 25 mg) for anxiety and insomnia. Recognition and Management of Exercise-Induced Bronchospasm. Hypercapnia happens when you have too much carbon dioxide in your bloodstream. Other bronchospasm symptoms include: Anytime your airways are irritated or swollen, it can cause bronchospasm. Vocal cord dysfunction: A review. Have you recently overused your vocal cords, such as by singing or shouting? health information, we will treat all of that information as protected health A computer-aided incidence study in 136,929 patients, The use of magnesium to prevent laryngospasm after tonsillectomy and adenoidectomy: a preliminary study, Laryngospasm: a neurophysiological definition, Crisis management during anaesthesia: laryngospasm, Laryngospasm: review of different prevention and treatment modalities, Which post in a storm? Any trigger should then be removed if possible. Exercise-induced vocal cord dysfunction should be strongly considered in patients diagnosed with exercise-induced asthma who respond poorly to usual treatment. Partial vs. complete laryngospasm. Laryngospasms are hard to prevent or predict unless you know whats causing them. Published October 2017. I have other health conditions. I had a laryngospasm, how do i prevent it? Sensation of a lump in the throat. This damage can lead to momentary spasms of the vocal cords, which close the airway and prevent air and oxygen from getting into the lungs. The inhalation route is of course of limited use in this situation as a means of deepening the plane of anaesthesia and an i.v. During the emergence phase, patients should be extubated either in a deep plane of anaesthesia or fully awake but not in-between. Administering a helium and oxygen mixture (heliox) reduces airway resistance and may result in rapid improvement in patients with acute vocal cord dysfunction. Use two pillows to elevate the head of the b Meclizine is very well,tolerated with few significant adverse side effects. Consider succinylcholine 3-4 mg/kg IM if no IV access is present. other information we have about you. Vocal cord dysfunction involves inappropriate vocal cord motion that produces partial airway obstruction. The cause of laryngospasm may not be known. He or she may want to listen to your voice and examine your vocal cords, and he or she may refer you to an ear, nose and throat specialist. Other forms of long-acting bronchodilators include anticholinergics which are also available in short-acting (e.g ipratropium) and long-acting forms of inhalers (e.g tiotropium, umeclidinium and aclidinium). Sleep-related laryngospasm: A video-polysomnographic recording. induction with propofol is smoother and less problematic. Theyll prescribe medications that can reduce your risk and ease your symptoms should a bronchospasm occur. You may feel like your windpipe is constricted slightly (a minor laryngospasm) or like you cant breathe at all. Click here for an email preview. A laryngospasm that becomes life-threatening may be treated with any of the following: Copyright Merative 2023 Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes. Stay up to date on your vaccines, especially if youre 65 or over. Reassurance and breathing instruction may resolve an acute episode of vocal cord dysfunction. This agent may have a role to play in the future prevention of laryngospasm, but more studies are needed. Laryngospasm may be associated with different triggers, such as asthma, allergies, exercise, irritants (smoke, dust, fumes), stress, anxiety or commonly gastroesophageal reflux disease, or GERD. Treatment requires opening and clearing the oropharynx, applying continuous positive airway pressure with 100% oxygen, followed by deepening of anaesthesia with propofol, and/or paralysing with succinylcholine. Lidocaine has been studied both topically and i.v. Atypical breath sounds can indicate a lung health issue, such as an obstruction, inflammation, or infection. A laryngospasm can be your body displaying a physical reaction to an intense feeling that youre experiencing. They also report an incidence for laryngospasm of 10% in the very young paediatric patient with reactive airways, either due to upper respiratory infection or asthma. You can learn more about how we ensure our content is accurate and current by reading our. Our website services, content, and products are for informational purposes only. This is mandatory for the inexperienced anaesthetist. 2008:18:303-7. Another common cause of laryngospasms is stress or emotional anxiety. American Academy of Otolaryngology Head and Neck Surgery. DOI: Gavel G, et al. Figure 1. Elsevier; 2020. https://www.clinicalkey.com. When it happens, the vocal cords suddenly seize up or close when taking in a breath, blocking the flow of air into the lungs. To provide you with the most relevant and helpful information, and understand which Gavel G, Walker RWM. This is called a bronchospasm, and it limits the amount of oxygen your body receives. Although described in the conscious state and associated with silent reflux, laryngospasm is a problematic reflex which occurs often under general anaesthesia. information submitted for this request. cannula. Santino TA, Chaves GS, Freitas DA, Fregonezi GA, Mendona KM. Succinylcholine 0.1-0.2 mg/kg IV: Time for full paralysis is 30-45 s. If no IV access: Succinylcholine 4 mg/kg IM (max 200 mg) in deltoid or quadriceps. What should you do if someone is having a laryngospasm? The most valuable diagnostic tests for vocal cord dysfunction are pulmonary function testing with a flow-volume loop and flexible laryngoscopy. Bronchospasm symptoms can be frightening and may come on suddenly. WebLaryngospasm Patients with laryngospasm describe the abrupt onset of complete airway obstruction (the sensation of choking) and aphonia. An i.l. External maneuvers include chest pressure at the top and Larson's maneuver. Laryngospasm may be Copyright 2023 American Academy of Family Physicians. Top answers from doctors based on your search: Created for people with ongoing healthcare needs but benefits everyone. Diagnosis of laryngospasm is reached based on patient risk factors, presenting situation, physical examination findings, and improvement with appropriate treatment. In this situation, an i.m. The need to clear the throat. Laryngospasm: Causes, Treatment, First Aid, and More - Healthline Additionally, the supraglottic soft tissues are thought to impact into the glottis as they are pulled down by an increasing translaryngeal pressure gradient during obstructed inspiratory effort. Contact us through social media or use the Contact form under the About Us menu. jle.com/en/revues/epd/e-docs/sleep_related_laryngospasm_a_video_polysomnographic_recording_268138/article.phtml?tab=texte, scielo.org.za/scielo.php?script=sci_arttext&pid=S0011-85162016000100010, mayoclinic.org/diseases-conditions/gerd/expert-answers/laryngospasm/faq-20058269, Side Effects of General Anesthesia: What to Expect, Asthma and COPD Medication Albuterol is in Short Supply: What You Can Do About it, COPD: How a 5-Question Screening Tool Can Help Diagnose Condition, 5 Ways to Keep Your Lungs Healthy and Strong, FEV1 and COPD: How to Interpret Your Results. The management of laryngospasm consists of its prevention, recognition, treatment, and post-anaesthetic care. Is my condition likely temporary or chronic? What is likely causing my symptoms or condition? Here's what you should know before heading into surgery. Some self-care methods and home treatments may relieve the symptoms of laryngitis and reduce strain on your voice: Breathe moist air. Use a humidifier to keep the air throughout your home or office moist. Inhale steam from a bowl of hot water or a hot shower. Rest your voice as much as possible. Avoid talking or singing too loudly or for too long. Rosenow EC. If you develop bronchospasm symptoms, use your bronchodilator immediately. What are the alternatives to the primary approach you're suggesting? But the experience can be terrifying. The lower dose of 0.1 mg kg1 has been reported to break laryngospasm but preserve spontaneous ventilation during adult bronchoscopy cases. WebWhat are the symptoms of laryngopharyngeal reflux? Chronic (long-term) cough. Placement of an appropriately sized Guedel oropharyngeal airway will help to ensure patency of the supraglottic airway. You can also relieve GERD and LPR, and help prevent laryngospasm, by following these lifestyle tips: Breathing techniques including slow breathing and staying calm also may help. Common Heartburn Triggers: What You Should Know. Whitten C. The Airway Jedi. Laryngospasm, a subtype of vocal cord dysfunction, is a brief involuntary spasm of the vocal cords that often produces aphonia and acute respiratory distress. Patients may present with respiratory distress that is often mistakenly diagnosed as asthma. However, if the administration is given late when perfusion through the skeletal muscles is poor, the uptake will be variable. Laryngospasm can sometimes occur after an endotracheal tube is removed from the throat. with rapid effect or by an alternative route if i.v. Sometimes they happen for reasons that cant be determined. The motor response is via the three main intrinsic laryngeal muscles, the lateral cricoaretenoids, thyroaretenoids (the glottic adductors), and cricoaretenoids (the vocal cord tensors). Youre unable to control the contraction thats happening at the opening to the trachea, or windpipe. Doctors typically provide answers within 24 hours. If youre having bronchospasm symptoms, call 911 or go to your nearest emergency room. Young children with hypersensitivity of the airway (from infective, inflammatory, or other irritation such as passive smoking) have a 10-fold increase in the risk of laryngospasm. Instruct patient in breathing behaviors, including panting, diaphragmatic breathing, breathing through the nose or a straw, pursed-lip breathing, and exhaling with a hissing sound, Consider a trial of helium and oxygen (heliox) in patients with persistent or severe vocal cord dysfunction, Avoid known triggers, such as smoke, airborne irritants, or certain medications, Treat underlying conditions, including anxiety, depression, gastroesophageal reflux disease, and rhinosinusitis, Consider a trial of inhaled ipratropium (Atrovent) in patients with exercise-induced symptoms, Referral for speech therapy is indicated in patients with unresolved symptoms, Long-term tracheostomy may be appropriate in severe, resistant cases. This theory is loosely supported by the observation that mongrel puppies aged 5070 days are prone to laryngospasm, at a time when cortical maturation is not complete. Are there brochures or other printed material I can take home? Consideration should be given to performing cautious direct laryngoscopy to gently suction the larynx clear of secretions, blood, or gastric contents; however, this must be performed with care as the situation may worsen. Cleveland Clinic is a non-profit academic medical center. However, you should tell your doctor and your anesthesiologist about this matter. Patients who don't respond to these treatments may need surgery. i'm worried about breathing problems: history of laryngospasm/use albuterol daily. See additional information. Other less common causes are gastroesophageal reflux, severe hypocalcemia, vitamin D deficiency, and Parkinsons disease. privacy practices. What, if anything, appears to worsen your symptoms? The vocalis muscles are considered part of the thyroarytenoids, and they tense the vocal cords. Coming to a Cleveland Clinic location?Hillcrest Cancer Center check-in changesCole Eye entrance closingVisitation and COVID-19 information, Notice of Intelligent Business Solutions data eventLearn more. Larson's manoeuvre is bilateral firm digital pressure on the styloid process behind the posterior ramus of the mandible. These observations add weight to the statement that laryngospasm will break under severe hypoxia, but it must be noted that this is not a sensible approach to management. Therefore, in paediatric and adult anaesthetic practice, when planning either a gaseous induction or a spontaneously breathing technique, it is always useful to have some preprepared syringes of propofol as emergency drugs, in addition to atropine and succinylcholine. Chronic laryngitis treatments are aimed at treating the underlying causes, such as heartburn, smoking or excessive use of alcohol. With laryngospasm, your vocal cords suddenly close up when you take a breath, blocking the flow of air into your lungs. Have you recently had a cold? Stimulation at a light depth of general anesthesia (laryngoscopy, extubation, blood or secretions irritating vocal cords), Volatile anesthetics (desflurane > isoflurane > halothane = sevoflurane), Multiple attempts at supraglottic airway insertion or direct laryngoscopy in patients in the lighter planes of anesthesia, Age Infants and young children are at greatest risk, Asthma up to 10-fold increased risk with active asthma, Recent upper respiratory infection (up to 6 weeks) up to 10-fold increased risk, Second-hand smoke exposure up to 10-fold increased risk in children, Gastroesophageal reflux, obstructive sleep apnea, Airway anomalies: subglottic stenosis, laryngeal papilloma, cleft palate, vocal cord paralysis, laryngomalacia, tracheal stenosis, Shared airway: tonsillectomy and adenoidectomy (> 20% incidence), bronchoscopy, Thyroid surgery: from superior laryngeal nerve injury or hypocalcemia, Esophageal endoscopy: stimulation of distal afferent esophageal nerves, Others: appendectomy, hypospadias repair, skin grafting, cervical dilatation. Some experts believe that breathing exercises can reduce your risk of bronchospasm. Laryngospasm is the tightening of the muscles that surround your vocal cords (larynx). This pattern is characteristic of patients when they are symptomatic.22 Even when asymptomatic, some patients with vocal cord dysfunction will demonstrate inspiratory loop flattening.2 Exercise flow-volume loops, performed in conjunction with exercise testing, may be useful in identifying patients with exercise-induced vocal cord dysfunction.23, Pulmonary function testing is particularly useful in differentiating vocal cord dysfunction from asthma because bronchospasm produces an impaired expiratory loop that is different from that seen in vocal cord dysfunction.24 In cases with an unclear etiology, or if concurrent asthma and vocal cord dysfunction are suspected, methacholine challenge testing may help to clarify the diagnosis.25, Flexible laryngoscopy is considered the diagnostic standard for vocal cord dysfunction. There is little information available for the prevention of laryngospasm with the use of SADs. By using our website, you consent to our use of cookies. The gentle chest compressions were delivered, while 100% O2 via a tight-fitting facemask was provided, using the extended palm of the free hand placed on the middle of the chest, with the fingers directed caudally and performing a compression force half or less than half that used for cardiopulmonary resuscitation at a rate of approximately 2025 compressions per min. Youll need a short-acting bronchodilator (such as an inhaler) to ease the symptoms of your attack. Dont gasp or gulp for air. Vocal cord dysfunction is a syndrome in which inappropriate vocal cord motion produces partial airway obstruction, leading to subjective respiratory distress. Night terrors, a sleep disturbance that most often impacts children and However, experts predict that this shortage is only, Researchers say the 5-questionnaire screening tool called CAPTURE can help diagnose people with treatable COPD, although not all experts agree, Here are five pieces of advice to maintain optimal lung health and breathing capacity, from staying far away from cigarettes to adopting a consistent. Accessed March 24th, 2022. Bronchospasm treatment usually starts with bronchodilators. Laryngospasm is a common complication of anesthesia.11 Another variation of vocal cord dysfunction is spasmodic dysphonia, which causes hoarseness and strained vocalization when the abnormal vocal cord motion occurs during speech.12. AskMayoExpert. information and will only use or disclose that information as set forth in our notice of I.V. The entire episode lasts only a minute or two before breathing returns to normal. Studies have shown that relaxation of the laryngeal muscles occurs before skeletal muscles and thus i.m. Reassurance and breathing instruction may resolve an acute episode of vocal cord dysfunction. WebHome remedies for Laryngospasm. Keywords: Laryngospasm; Upper Airway; Risk factors; Prevention and treatment Introduction Your skin between the ribs and around the neck pulls in with each breath. Cardiovascular adverse effects at this dose are relatively minor, although the patient may become apnoeic. The action plan may vary slightly if the patient is in the induction phase or emergence phase. 9500 Euclid Avenue, Cleveland, Ohio 44195 |, Important Updates + Notice of Vendor Data Event, (https://familydoctor.org/condition/exercise-induced-bronchospasm/), (https://www.ncbi.nlm.nih.gov/books/NBK546685/), (https://www.ncbi.nlm.nih.gov/books/NBK537327/). injection into the body of the tongue. Apnoea, breath holding, bronchospasm, or pulmonary aspiration may all present similarly to laryngospasm. What is the definition or description of: laryngospasm? As the airways slowly open, the person will make a high-pitched breathing sound (called stridor). If left untreated or if the stimulation at a light depth of anesthesia continues, partial laryngospasm can turn into complete laryngospasm. Help should be requested if required. One study showed decreased incidence of laryngospasm in pediatric patients who were This is a variation of a vigorous jaw thrust and its use is reported only in correspondence in the literature. Sometimes they can happen as a result of anxiety or stress. You should,be able to get the benefits of this agent without problems. This can cause an abrupt onset of shortness of breath and difficulty breathing. Anesthesiology August 1999, Vol. A more recent article on vocal cord dysfunction is available. Doctors often prescribe proton pump inhibitors such as Dexlansoprazole (Dexilant), Esomeprazole (Nexium), and Lansoprazole (Prevacid). Laryngospasm occurs suddenly and causes difficulty breathing and speaking. Last reviewed by a Cleveland Clinic medical professional on 03/18/2022. An episode of bronchospasm usually lasts between seven and 14 days. Avoid heartburn and allergy triggers. WebLaryngospasm is a common complication in pediatric anesthesia. You may opt-out of email communications at any time by clicking on 111: pp. Self-care measures, such as voice rest, drinking fluids and humidifying your air, also can help improve symptoms. Neuroleptic drugs, specifically phenothiazines, may cause transient vocal cord dysfunction. In more severe cases, your healthcare provider may recommend steroids to reduce inflammation in your airways. Staying calm can reduce the duration of the spasm in some cases. It is mainly during induction and emergence that a patient is at risk of laryngospasm due to the changing levels of anaesthesia. Why do i become short of breath every time i swallow saliva/mucus? Data sources include IBM Watson Micromedex (updated 2 Apr 2023), Cerner Multum (updated 17 Apr 2023), ASHP (updated 10 Apr 2023) and others. Hypercapnia: What Is It and How Is It Treated. Laryngospasms tend to take the person having them by surprise. Paralyze. access is not present, succinylcholine can be administered i.m. Although frightening, an episode of laryngospasm is brief. Laryngospasms can also happen during surgical procedures that involve general anesthesia. succinylcholine in a dose of anything from 0.1 to 2 mg kg1 will break laryngospasm. Full relaxation occurs in 75 s, and therefore, relaxation of laryngospasm will be quicker than an i.m.
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