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Stridor is a high-pitched sound which occurs during breathing and is associated with obstruction at the level of the larynx. Difficulty swallowing and changes in voice are common symptoms. [3] If there is total obstruction, severe respiratory distress or cyanosis due to hypoxia (lack of oxygen in the blood) can occur. [2]
Respiratory sounds, also known as lung sounds or breath sounds, are the specific sounds generated by the movement of air through the respiratory system. [1] These may be easily audible or identified through auscultation of the respiratory system through the lung fields with a stethoscope as well as from the spectral characteristics of lung sounds. [2]
The wheezing symptom is episodic and the child is completely normal in between wheezing episodes. It has a good prognosis and only supportive treatment is required. Meanwhile, multi-trigger wheezing is associated with allergy and a family history of asthma. Symptoms occur in between wheezing episodes and are likely to persist beyond early ...
Common symptoms include a productive cough, wheezing, mild chest discomfort, and fatigue. [18] Pulmonary embolism: Common signs and symptoms are shortness of breath, pleuritic chest pain, blood in sputum during cough, and lower limb swelling. Risk factors includes: recent surgery, cancer, and bedridden state.
Stridor (from Latin 'creaking/grating noise') is an extra-thoracic high-pitched breath sound resulting from turbulent air flow in the larynx or lower in the bronchial tree. It is different from a stertor, which is a noise originating in the pharynx. Stridor is a physical sign which is caused by a narrowed or obstructed airway.
The main difference between VCD and asthma is the audible stridor or wheezing that occurs at different stages of the breath cycle: VCD usually causes stridor on the inhalation, while asthma results in wheezing during exhalation. [5] [6] [7] Patients with asthma usually respond to the usual medication and see their symptoms resolve.
The only difference between whispered pectoriloquy and bronchophony is the volume at which the patient is asked by the clinician to repeat "ninety-nine" or "baseball." That is, in whispered pectoriloquy, the repeated words are whispered at low volume, and in bronchophony, they are spoken at normal volume.
Signs and symptoms are not mutually exclusive, for example a subjective feeling of fever can be noted as sign by using a thermometer that registers a high reading. [7] Because many symptoms of cancer are gradual in onset and general in nature, cancer screening (also called cancer surveillance) is a key public health priority. This may include ...