Inspiratory Stridor Causes & Reasons

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Inspiratory Stridor Symptom Checker: Possible causes include Congenital Laryngomalacia. Check the full list of possible causes and conditions now! Talk to our Chatbot to narrow down your search.

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Possible Causes

Congenital Laryngomalacia

Prolapse of supraglottic tissues produces a variable amount of airway obstruction and inspiratory stridor. [scholars.northwestern.edu]

When present in neonate/infancy period, they account for severe inspiratory stridor and failure to thrive. [laryngologyandvoice.org]

Clinical Findings Patients with LM present with inspiratory stridor. Stridor is seldom present at birth but usually starts within the first few days to weeks of life. [radiologykey.com]

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Croup

Bilateral vocal-cord paralysis produces a high-pitched inspiratory stridor. (Stridor doesn’t occur in unilateral vocal-cord paralysis.) [web.archive.org]

METHODS: Children were classified as having recurrent croup if they had had 2 or more episodes of barky cough, inspiratory stridor, and hoarseness. [ncbi.nlm.nih.gov]

Inspiratory stridor suggests a laryngeal obstruction, whereas expiratory stridor suggests tracheobronchial obstruction. [emedicine.com]

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Angioedema

stridor, potentially life-threatening Possibly swelling of extremities and urogenital area (e.g., hands, feet, scrotum) Bradykinin-mediated angioedema Hereditary angioedema [amboss.com]

In severe cases, stridor of the airway occurs, with gasping or wheezy inspiratory breath sounds and decreasing oxygen levels. [en.wikipedia.org]

[…] blocker-induced): impaired bradykinin breakdown References:[1][2][3][4][5] Clinical features Common symptoms Facial edema (mouth, eyelids, tongue) Laryngeal involvement: dyspnea and inspiratory [amboss.com]

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Foreign Body in the Esophagus

Haegen TW,Wojtczak HA, Tomita SS (2003)Chronic inspiratory stridor secondary to a retained penetrating radiolucent esophageal foreign body. J PediatrSurg38:e6. [jorl.net]

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Acute Epiglottitis

Additionally, airway patency should be established when inspiratory stridor appears assuring uncomplicated recovery. [ncbi.nlm.nih.gov]

On admission the patient was ill and severely distressed, sitting in the upright position, drooling saliva, showing severe inspiratory stridor, hyperventilation, but no trismus [ncbi.nlm.nih.gov]

stridor or difficulties in swallowing, and (c) a temperature or 38 degrees C. [ncbi.nlm.nih.gov]

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Foreign Body in the Bronchus

His lung sounds showed mild wheezing with possible mild inspiratory stridor. An albuterol aerosol was administered but no improvement was noted. [dontforgetthebubbles.com]

Approximately 50% of children have inspiratory stridor or expiratory wheezing, with prolongation of the expiratory phase, and medium-to-coarse rhonchi. [9] Tachypnea; nasal [emedicine.medscape.com]

[…] have a higher rate of negative bronchoscopy for foreign body. [8] Physical Choking or coughing is present in 95% of patients presenting with foreign body aspiration. [4] Stridor [emedicine.medscape.com]

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Laryngeal Stridor

This is called inspiratory stridor. Stridor may: Change with activity. It may be louder when your child is upset, crying, or is excited. [nationwidechildrens.org]

Inspiratory Stridor Typically caused by obstruction at or above the level of the vocal cords Expiratory Stridor Usually localized to the more distal tracheobronchial tree [slideshare.net]

Bilateral vocal-cord paralysis produces a high-pitched inspiratory stridor. (Stridor doesn’t occur in unilateral vocal-cord paralysis.) [americannursetoday.com]

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Spasmodic Croup

Our results show that stridor in this patient was due to dynamic inspiratory constriction of the vocal cords. [ncbi.nlm.nih.gov]

Inspiratory stridor in croup. Stridor Audio file courtesy of David W. Cugell, MD. [merckmanuals.com]

A barking, often spasmodic cough and sometimes inspiratory stridor (caused by subglottic edema) are the most prominent symptoms; symptoms are often worse at night. [merckmanuals.com]

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Bacterial Tracheitis

A previously healthy young adult presented with inspiratory stridor and hoarseness but minimal dysphagia. [ncbi.nlm.nih.gov]

An 18-month-old girl was brought to the emergency room of Chang Gung Children's Hospital with inspiratory stridor, suprasternal retractions and imminent respiratory failure [ncbi.nlm.nih.gov]

Bacterial tracheitis is the term used to describe a severe infraglottic infection characterized by toxicity, brassy cough, inspiratory stridor, subglottic oedema and the presence [ncbi.nlm.nih.gov]

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Vocal Cord Dysfunction

Myasthenic vocal cord dysfunction (VCD), presenting with severe inspiratory stridor, was successfully treated with nasal continuous positive airway pressure (nCPAP), thus [ncbi.nlm.nih.gov]

However, evaluation revealed inspiratory stridor and flattening of the inspiratory limb of the flow-volume curve. [ncbi.nlm.nih.gov]

During the specific inhalation challenge, the patients showed dysphonia, chest tightness, inspiratory stridor, and flattening of the inspiratory limb of the maximum flow-volume [ncbi.nlm.nih.gov]

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Tracheal Foreign Body

His lung sounds showed mild wheezing with possible mild inspiratory stridor. An albuterol aerosol was administered but no improvement was noted. [dontforgetthebubbles.com]

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Foreign Body in the Larynx

They presented with severe attacks of inspiratory stridor, difficulty in breathing and spitting blood. [ncbi.nlm.nih.gov]

stridor, the foreign body is already caudal to the larynx and can no longer be coughed up. [med-college.hu]

Chest examination may reveal evidence of inspiratory noise/stridor suggesting lodged oesophageal foreign body with tracheal compression. [entsho.com]

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Acute Subglottic Laryngitis

Clinically it presents with protracted barking cough and inspiratory stridor due to mucosal edema resulting in tracheal narrowing. [radiopaedia.org]

A low-grade fever, barking cough, inspiratory stridor and hoarseness then develop. [aafp.org]

In viral croup, narrowing of the subglottic trachea in a child’s airway results in audible inspiratory stridor. [atsu.edu]

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Laryngeal Obstruction

The first patient was a four-month-old infant with inspiratory stridor due to a subglottic haemangioma obstructing 80 per cent of the lumen. [ncbi.nlm.nih.gov]

A 49-year-old man presented with a two-day history of severe recurrent dyspnea and inspiratory stridor. [ncbi.nlm.nih.gov]

Laryngeal obstruction typically induces inspiratory stridor as opposed to asthma causing expiratory wheeze. [bora.uib.no]

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Upper Airway Obstruction

A patient presented to the ear, nose and throat department with inspiratory stridor, dysphagia and a sore throat. Clinical and radiological examination was normal. [ncbi.nlm.nih.gov]

We report on persistent inspiratory stridor in a child with this type of SEMD in the second reported family with dominant transmission of this disorder. [ncbi.nlm.nih.gov]

Her physical examination was concerning for impending respiratory failure as she presented with inspiratory stridor and hoarseness. [ncbi.nlm.nih.gov]

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Thymoma

An 81-year-old man underwent thymectomy by video-assisted thoracic surgery for a mediastinal tumor. The pathological diagnosis was Masaoka stage II type B3 thymoma. Thirty-six months later, he presented with a growing mass on his anterior chest wall. Computed tomography showed a lobulated tumor in the sternum[…] [ncbi.nlm.nih.gov]

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Acute Laryngitis and/or Tracheitis

The child then develops the characteristic “barking” cough, hoarseness, and inspiratory stridor. [clinicalgate.com]

Monitoring in a hospital is warranted in patients with clear inspiratory stridor and retraction on inspiration also in an upright position and at rest despite first aid medication [ebm-guidelines.com]

[…] on inhalation, aka inspiratory stridor, dyspnea, high fever, toxic appearance Management Hospitalization, endotracheal tube, penicillin, cephalosporin. [medical-dictionary.thefreedictionary.com]

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Distal Spinal Muscular Atrophy Type 1

Patients typically have a history of intrauterine growth retardation, low birth weight, feeble cry, weak suck and failure to thrive and present with inspiratory stridor, recurrent [orpha.net]

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Bilateral Vocal Cord Paralysis

Two neonates presented with inspiratory stridor due to bilateral vocal cord paralysis associated with occipital encephalocele, Chiari malformation, and hydrocephalus in one [ncbi.nlm.nih.gov]

Our patient was referred due to audible inspiratory stridor when he was seven days old. [ncbi.nlm.nih.gov]

METHODS: Four newborns had inspiratory stridor immediately after birth; two had to be intubated. Laryngotracheoscopy revealed bilateral vocal cord paralysis. [ncbi.nlm.nih.gov]

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Acute Tracheitis

Additionally, they demonstrate remarkable exam findings such as inspiratory stridor and possibly expiratory stridor, retractions, bark-like cough, and cyanosis. [symptoma.com]

The child then develops the characteristic “barking” cough, hoarseness, and inspiratory stridor. [clinicalgate.com]

Increasing deep or barking croup cough following a recent upper respiratory infection Crowing sound when inhaling (inspiratory stridor) 'Scratchy' feeling in the throat Chest [en.wikipedia.org]

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Tracheobronchial Injury

Inspiratory stridor is the hallmark of airway obstruction at or above the level of the vocal cords. [emedicine.com]

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Asphyxia

Abstract The aim of this work is to present the pitfalls of management of newborns with neonatal withdrawal syndrome (NWS) of different forms, which were complicated with the presence of severe perinatal asphyxia. The authors present some case reports of asphyxiated newborns of different gestational age with[…] [ncbi.nlm.nih.gov]

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Airway Obstruction

Physical examination revealed inspiratory stridor, which indicated an airway obstruction caused by substernal thyrotoxic MNG. [ncbi.nlm.nih.gov]

Two patients with inspiratory stridor, anterior neck swelling, and facial edema progressed to respiratory distress and their hematomas were removed by surgery, during which [ncbi.nlm.nih.gov]

Inspiratory stridor was evident on physical examination. [nejm.org]

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Tracheal Edema

It can be inspiratory, expiratory or biphasic, although it is usually heard during inspiration. Inspiratory stridor often occurs in children with croup. [en.wikipedia.org]

Symptoms [ edit ] Increasing deep or barking croup cough following a recent upper respiratory infection Crowing sound when inhaling (inspiratory stridor ) 'Scratchy' feeling [en.wikipedia.org]

The initial signs are a loud inspiratory noise (stridor) and the onset of dyspnea. Forced movement causes the respiratory distress to worsen. [merckvetmanual.com]

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Bronchitis

stridor (indicative of bronchial or tracheal obstruction) Sustained heave along the left sternal border (indicative of right ventricular hypertrophy secondary to chronic [emedicine.medscape.com]

[…] variable and may include the following: Diffuse wheezes, high-pitched continuous sounds, and the use of accessory muscles (in severe cases) Diffuse diminution of air intake or inspiratory [emedicine.medscape.com]

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Tracheomalacia

A 58-year-old woman with a history of polychondritis presented with inspiratory stridor and respiratory difficulties. [emedicine.com]

RESULTS: In all patients, surgical expansion of the malacic segment using ceramic rings was successfully carried out without major complications while inspiratory stridor [ncbi.nlm.nih.gov]

Mild laryngomalacia is an isolated, intermittent inspiratory stridor, accompanied by normal growth and development. [pedclerk.bsd.uchicago.edu]

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Congenital Laryngeal Cyst

She was tachypneic, and the inspiratory stridor was worse in the right lateral decubitus position. There were subcostal retractions. [arquivosdeorl.org.br]

stridor, demanding treatment with CPAP. [omicsonline.org]

When present in neonate/infancy period, they account for severe inspiratory stridor and failure to thrive. [laryngologyandvoice.org]

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Bilateral Recurrent Laryngeal Nerve Paralysis

Case report An 80 year old patient was admitted to the emergency room of the local hospital for severe dyspnea with inspiratory stridor and tachypnea. [signavitae.com]

An inspiratory stridor and hoarse cry were noted at a few hours of age. [nature.com]

On 2nd postoperation day the patient developed inspiratory stridor. She also became agitated and breathless. The following day she was referred to the ENT department. [jpma.org.pk]

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Cricoarytenoid Ankylosis

Shortly postextubation, the patient developed inspiratory stridor, which disappeared after a second dose of neostigmine. [paperity.org]

His symptoms progressed to increasingly noisy breathing, exertional dyspnea and finally inspiratory stridor. [jcdr.net]

Anaphylaxis : Hoarseness and inspiratory stridor. Accompanied by other symptoms of an allergic reaction. Usually within 30 minutes of exposure to an allergen. [patient.info]

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Laryngotracheitis

– Inspiratory stridor (abnormal high pitched sound on inspiration): • Croup is considered mild or moderate if the stridor only occurs with agitation; • Croup is considered [medicalguidelines.msf.org]

Differential diagnosis has to rule out acute epiglottitis, which comes along with high fever, aphonia, salivation and inspiratory stridor. [karger.com]

[…] of inspiratory stridor or retractions, treat symptomatically: ensure adequate hydration, seek medical attention if symptoms worsen (e.g. respiratory difficulty, noisy breathing [medicalguidelines.msf.org]

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