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A wheeze is a clinical symptom of a continuous, coarse, whistling sound produced in the respiratory airways during breathing. [1] For wheezes to occur, part of the respiratory tree must be narrowed or obstructed (for example narrowing of the lower respiratory tract in an asthmatic attack), or airflow velocity within the respiratory tree must be heightened.
Symptoms include chest tightness, rapidly progressive dyspnea (shortness of breath), dry cough, use of accessory respiratory muscles, fast and/or labored breathing, and extreme wheezing. It is a life-threatening episode of airway obstruction and is considered a medical emergency.
When the airways spasm or constrict in response to the irritating stimulus of the breathing tube, it is difficult to maintain the airway and the patient can become apneic. During general anesthesia, signs of bronchospasm include wheezing, high peak inspiratory pressures, increased intrinsic PEEP , decreased expiratory tidal volumes, and an ...
The airways narrow and produce excess mucus, making it difficult to breathe. In essence, asthma is the result of an immune response in the bronchial airways. [3] The airways of asthma patients are "hypersensitive" to certain triggers, also known as stimuli (see below).
Bronchiectasis is a disease in which there is permanent enlargement of parts of the airways of the lung. [5] Symptoms typically include a chronic cough with mucus production. [3] Other symptoms include shortness of breath, coughing up blood, and chest pain. [2] Wheezing and nail clubbing may also occur. [2] Those with the disease often get lung ...
Figure A shows the location of the lungs and bronchial tubes. Figure B is an enlarged view of a normal bronchial tube. Figure C is an enlarged view of a bronchial tube with bronchitis. Specialty: Pulmonology: Symptoms: Cough with sputum, wheezing, shortness of breath, fever, chest discomfort [1] [2] Duration: Up to 6 weeks [3] Causes: Typically ...
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