Epiglottitis often causes stridor that is heard over the neck, but it may also result in wheezing. Epiglottitis: A medical emergency marked by symptoms such as fever, drooling, and sitting in an upright position in an attempt to breathe, epiglottitis is caused by an infection of the epiglottis, a small piece of cartilage attached to the end of the tongue.This is also known as “vocal cord asthma.” Normal lung sounds occur in all parts of the chest area, including above the collarbones and at the bottom of the rib cage. Vocal cord dysfunction: Caused by one or both of the vocal cords closing unintentionally during breathing. The lung sounds are best heard with a stethoscope.Hypersensitivity pneumonitis: Chronic inflammation of the lungs caused by such things as moldy hay and bird droppings may cause wheezing. ![]() Acid reflux: It may not seem obvious, but acid reflux is a fairly common cause of wheezing.Pulmonary embolism: Blood clots in the legs may break off and travel to the lungs, very rarely causing wheezing.Heart failure: This can cause fluid to back up in the lungs.Lung cancer: Obstruction of the airway by a tumor can lead to a wheezing sound.Viral infections: Many viral infections can cause wheezing, especially in children.While cystic fibrosis is most commonly diagnosed in early childhood, it is sometimes diagnosed in adulthood. Bronchiectasis: Widening of the airways, often due to childhood infections or cystic fibrosis, is another cause of wheezing. ![]() The soothing effects of a short-acting beta2-antagonist inhaler, such as an albuterol inhaler, can be felt in about 10 minutes. Wheezing related to foreign body inhalation is usually localized to one side of the chest. Wheezing (expiratory) Lung Sounds MEDZCOOL Most people can control their sudden asthma symptoms, such as a wheeze, with a bronchodilator inhaler, says Castriotta.
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