Bronchial Sounds
Heard above the manubrium over the trachea. Usually harsh, high-pitched and loud.
Bronchovesicular Sounds
Heard over the main bronchi and are usually of medium loudness, and deeper pitch than bronchial sounds.
Vesicular Sounds
Heard over the lower bronchi, bronchioles, and lobes.
How many lobes does the left lung have?
2 lobes
How many lobes does the right lung have?
3 lobes
Decreased Breath Sounds
These sounds occur with airway disease or obstruction, diaphragm paralysis, or impairment of sound transmission through the chest wall. No sounds usually mean that no air is moving.
Increased Breath Sounds
These are common abnormal findings with bronchial or bronchovesicular sounds which are louder or harsher and in peripheral lung tissue where vesicular sounds normally are. This can occur when the underlying lung tissue is filled with liquid or solid mater
Adventitious Sounds
Sounds you hear in addition to normal sounds.
Fine Crackles
An adventitious sound that is faintly crackling and usually found at the base of lobes.
Course Crackles
An adventitious sound that is loud and low-pitched bubbling sounds when air meets secretions in the larger airways.
Rhonchi
An adventitious sound that is continuous, low-pitched, snoring sounds that are caused by airway obstruction from thick mucous secretions, muscular constriction or masses. Sounds like long snoring sounds, low-pitched and found in the bronchi. Can sound lik
Wheezes
An adventitious sound that is a continuous, high-pitched sound created by the narrowing of airways from swelling, secretions, or masses. Sounds like long musical sounds, high-pitched and can be found in all lung areas.
Stridor
An adventitious sound that is a loud, continuous, high-pitched crowing that is caused by upper airway obstruction and is a MEDICAL EMERGENCY. Sounds like long crowing sounds, high-pitched, comes from trachea, and is usually audible without a stethoscope.