Lung Sounds (Abnormal Breath Sounds and Auscultation) | Respiratory Therapy Zone

What are lung sounds? What are the normal and abnormal breath sounds? How can you perform auscultation? Watch the video to find out!
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➡️ What are Breath Sounds?
These are the sounds that come from the lungs during inhalation and exhalation that can be heard during auscultation. When an abnormality is heard in a patient's breath sounds, this indicates that other health issues may be present, such as:

▪ Asthma
▪ Chronic obstructive pulmonary disease
▪ Foreign body obstruction
▪ Accumulation of fluid
▪ Heart failure
▪ Infection
▪ Inflammation of the airways
▪ Pneumonia


➡️ What is Auscultation?
Auscultation is a simple, non-invasive procedure that involves the use of a stethoscope to listen to the sounds produced by the body. For the sake of this video, of course, we’re focusing specifically on the lungs. A stethoscope amplifies the sounds within the lungs so that we can hear and have an idea of what’s going on with the patient's condition.

➡️ Types of Breath Sounds:

1. Vesicular Breath Sounds
Vesicular is just another name for normal breath sounds. They are low-pitch sounds that you would expect to hear as air flows through an open airway. The sounds are usually soft and can be heard throughout the inspiratory and expiratory phase.

2. Adventitious Breath Sounds
Adventitious breath sounds are the abnormal sounds that occur over the lungs and airways during auscultation. Adventitious breath sounds are commonly associated with a wide array of heart and lung conditions.

➡️ Lung Sounds that You Should Be Familiar With:
1. Crackles (Rales)
2. Wheezes
3. Rhonchi
4. Stridor
5. Diminished Breath Sounds
6. Pleural friction rub

➡️ Causes of Abnormal Breath Sounds:
▪ Crackles – lung sounds that are caused by air moving through secretions of the small or middle airways.
▪ Wheezes – lung sounds that are caused by air moving through a narrowed or constricted airway.
▪ Rhonchi – a lung sound that is caused by air moving through secretions in the larger airways.
▪ Stridor – a lung sound that occurs when an upper airway obstruction is present.
▪ Diminished – heard when there is decreased air movement in the lungs.
▪ Pleural friction rub – a lung sound that is heard when inflamed pleura rub together due to decreased levels of fluid in the pleural space

➡️ What are Bronchial Breath Sounds?
They are hollow lung sounds that can be heard in both normal and abnormal conditions. They are often a sign of pneumonia.

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⏰TIMESTAMPS
0:00 - Intro
0:25 - What are Breath Sounds?
1:15 - What is Auscultation?
2:14 - Types of Breath Sounds
2:27 - Vesicular Breath Sounds
2:51 - Adventitious Breath Sounds
3:25 - Lung Sounds that You Should Be Familiar With
3:32 - Crackles (Rales)
4:09 - Fine crackles
4:28 - Coarse crackles
4:45 - Wheezes
5:57 - Rhonchi
6:32 - Stridor
7:11 - Diminished Breath Sounds
7:51 - Pleural Friction Rub
8:16 - Causes of Abnormal Breath Sounds
9:13 - Bronchial Breath Sounds
10:15 - How to Perform Auscultation
11:43 - What is the Best Stethoscope for Auscultation
12:00 - 3M Littmann Classic III Stethoscope

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💡DISCLAIMER
Medicine and Respiratory Therapy are continuously changing practices. The information in this video is for educational and entertainment purposes only. For medical advice, please consult with a physician or qualified medical professional.

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