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Stridor
Published in R James A England, Eamon Shamil, Rajeev Mathew, Manohar Bance, Pavol Surda, Jemy Jose, Omar Hilmi, Adam J Donne, Scott-Brown's Essential Otorhinolaryngology, 2022
Stridor is typically high-pitched, originating in the larynx or trachea. Stertor is a low-pitched snoring noise from naso- and oropharyngeal obstruction (Table 105.1). Obstruction of the small airways is called wheeze.
Oropharynx
Published in Neeraj Sethi, R. James A. England, Neil de Zoysa, Head, Neck and Thyroid Surgery, 2020
Shortness of breath or noisy breathing (stertor) should be considered red flag symptoms that should mandate senior review. It is important to be able to differentiate swiftly on the basis of history between tonsillitis and peritonsillar abscess (see Table 9.3).
Upper Airway Obstruction and Tracheostomy
Published in John C Watkinson, Raymond W Clarke, Terry M Jones, Vinidh Paleri, Nicholas White, Tim Woolford, Head & Neck Surgery Plastic Surgery, 2018
Noisy breathing tends to have different characteristics depending on the level of upper airway obstruction. Stertor is defined as a heavy snoring sound that is low-pitched and indicates obstruction or collapse in the pharyngeal airway. Stridor is a high-pitched noise that can be mistaken for wheeze. Stridor arises from compromise of the airway at the level of the larynx and trachea and is generated by turbulent airflow. Stridor can be inspiratory, expiratory or biphasic (Box 72.1). Careful clinical assessment of timing of the stridor helps to localize the level of obstruction.
Prehospital Pediatric Respiratory Distress and Airway Management Training and Education: An NAEMSP Position Statement and Resource Document
Published in Prehospital Emergency Care, 2022
John Lyng, Matthew Harris, Maria Mandt, Brian Moore, Toni Gross, Marianne Gausche-Hill, J. Joelle Donofrio-Odmann
EMS clinicians should be educated to use a consistent and reproducible approach to patient assessment. One such approach is the “pediatric assessment triangle,” a cognitive model that guides clinicians to assess a patient’s work of breathing, circulation, and appearance (see Figure 1). Framing pediatric assessment using the “pediatric assessment triangle” construct has been shown to improve field management of children (6). Within this framework, assessing the patient’s work of breathing includes physical examination for visual cues of accessory muscle use, retractions, excessive secretions, head bobbing, and cyanosis or pallor; auditory cues of stertor, stridor, and abnormal lung sounds; and assessment of the quality and rate of respirations.