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What should you hear when Percussing the chest?

Author

Sophia Edwards

Published Feb 26, 2026

What should you hear when Percussing the chest?

The normal findings on the chest percussion are:
  • Resonant percussion note: heard over a normal air-filled lung.
  • Dull percussion note (the sound heard over solid tissues): over the liver in the right lower anterior chest and over the heart in the left anterior chest.

Also know, what sound should you hear when you Percuss the lungs?

Hyperresonant sounds may also be heard when percussing lungs hyperinflated with air, such as may occur in patients with COPD, or patients having an acute asthmatic attack. An area of hyperresonance on one side of the chest may indicate a pneumothorax. Tympanic sounds are hollow, high, drumlike sounds.

Also Know, what Hyperresonance means? Hyperresonance on percussion indicates too much air is present within the lung tissue. Likely indicating: Emphysema or pneumothorax.

Keeping this in view, what are normal percussion sounds?

There are three main medical percussion sounds: resonance (heard over lungs), tympany (heard over the air-filled bowel loops), and dullness (heard over fluid or solid organs).

Why does a doctor ask you to say 99?

ADDITIONAL BREATH SOUNDSConsolidation refers to increased density of the lung tissue, due to it being filled with fluid and/or blood or mucus. Ask the patient to say the words: “ninety-nine” while you listen through the stethoscope. Normally the sound of “ninety-nine” will sound very faint and muffled.

What type of lung sounds are heard with pneumonia?

A pneumonia cough is generally a productive cough, often with yellow or green mucus. The breathing sounds are also different from asthma – Instead of wheezing, a doctor will hear rales and rhonchi with their stethoscope.

What does fluid in lung sound like?

Crackles are the sounds you will hear in a lung field that has fluid in the small airways. Coarse crackles sound like pouring water out of a bottle or like ripping open Velcro. This lung sound is often a sign of adult respiratory distress syndrome, early congestive heart failure, asthma, and pulmonary oedema.

What does Rhonchi sound like?

Rhonchi are continuous low pitched, rattling lung sounds that often resemble snoring. Obstruction or secretions in larger airways are frequent causes of rhonchi. They can be heard in patients with chronic obstructive pulmonary disease (COPD), bronchiectasis, pneumonia, chronic bronchitis, or cystic fibrosis.

What do normal lungs sound like?

Normal findings on auscultation include: Loud, high-pitched bronchial breath sounds over the trachea. Medium pitched bronchovesicular sounds over the mainstream bronchi, between the scapulae, and below the clavicles. Soft, breezy, low-pitched vesicular breath sounds over most of the peripheral lung fields.

Where do you Percuss the lungs?

start from above the clavicles. and then directly percuss over the clavicles deviate laterally as you strike the lowest positions over the seventh intercostal spaces. the a pieces of the lungs are identified when percussion over the middle of the clavicles.

What is the pleural fluid?

Pleural fluid is defined as the fluid that is found between the layers of the pleura, the membranes of which line the cavity and surround the lungs. The space containing the fluid is referred to as the pleural cavity or pleural space.

Why does my belly sound hollow when I tap it?

Tympany: A hollow drum-like sound that is produced when a gas-containing cavity is tapped sharply. Tympany is heard if the chest contains free air (pneumothorax) or the abdomen is distended with gas.

What is resonant sound?

This is known as resonance - when one object vibrating at the same natural frequency of a second object forces that second object into vibrational motion. The word resonance comes from Latin and means to "resound" - to sound out together with a loud sound.

Is your stomach supposed to sound hollow?

The intestines are hollow, so bowel sounds echo through the abdomen much like the sounds heard from water pipes. Most bowel sounds are normal. They simply mean that the gastrointestinal tract is working. A health care provider can check abdominal sounds by listening to the abdomen with a stethoscope (auscultation).

What is Fremitus?

Fremitus. In common medical usage, it usually refers to assessment of the lungs by either the vibration intensity felt on the chest wall (tactile fremitus) and/or heard by a stethoscope on the chest wall with certain spoken words (vocal fremitus), although there are several other types.

What is chest auscultation?

Chest examination – Part 3 – chest auscultation. 14 November, 2006. Auscultation can be defined as the process of listening, usually with a stethoscope, to sounds produced by movement of gas or liquid within the body, as an aid to diagnosis (McFerran and Marrtin, 2003).

What is cardiac dullness?

area of superficial cardiac dullness (anatomy) This is the area of superficial cardiac dullness. It is roughly triangular in shape and corresponds to the part of the sternocostal surface of the heart that is both close to the anterior chest wall and not covered by lung.

Why do doctors tap their fingers on your abdomen?

Percussion means tapping the belly and listening to the sounds. When a healthcare provider taps just below the rib cage, he or she can hear the sounds made by a normal liver. Similar sounds heard when tapping beyond where the liver should be could be a sign of an enlarged liver.

How do you do percussion?

Percuss over the intercostal space and note the resonance and the feel of percussion. Keep the middle finger firmly over the chest wall along intercostal space and tap chest over distal interphalangeal joint with middle finger of the opposite hand. The movement of tapping should come from the wrist.

Where do you Percuss your stomach?

The examiner should first percuss over each of the nine abdominal regions (epigastric region, right hypochondriac region, left hypochondriac region, umbilical region, right lumbar region, left lumbar region, hypogastric region, right inguinal region, and left inguinal region).

How can I clean my lungs?

Ways to clear the lungs
  1. Steam therapy. Steam therapy, or steam inhalation, involves inhaling water vapor to open the airways and help the lungs drain mucus.
  2. Controlled coughing.
  3. Drain mucus from the lungs.
  4. Exercise.
  5. Green tea.
  6. Anti-inflammatory foods.
  7. Chest percussion.

How do you examine your chest?

To observe chest wall expansion on the back of the chest, place palms on the patient's back with fingers parallel to the ribs and thumbs at the 10th ribs. Move hands towards each other to raise some skin on either side of the spine.

Is Hyperresonance normal?

An area of hyperresonance on one side of the chest may indicate a pneumothorax. Tympany is normally heard over the stomach, but is not a normal chest sound. Tympanic sounds heard over the chest indicate excessive air in the chest, such as may occur with pneumothorax.

What is a simple definition of resonance?

In physics, resonance is the tendency of a system to vibrate with increasing amplitudes at some frequencies of excitation. These are known as the system's resonant frequencies (or resonance frequencies). The resonator may have a fundamental frequency and any number of harmonics.

What causes Hyperresonance?

133 Possible Causes for Hyperresonance
  • Chronic Obstructive Pulmonary Disease. […]
  • Asthma.
  • Pneumothorax.
  • Spontaneous Pneumothorax.
  • Traumatic Pneumothorax.
  • Hyperactive Airway Disease.
  • Catamenial Pneumothorax.
  • Iatrogenic Pneumothorax.

What is Lung resonance?

Resonant sounds are low pitched, hollow sounds heard over normal lung tissue. Dull or thudlike sounds are normally heard over dense areas such as the heart or liver. Dullness replaces resonance when fluid or solid tissue replaces air-containing lung tissues, such as occurs with pneumonia, pleural effusions, or tumors.

What is resonance and what causes it?

If that frequency happens to match the resonant frequency of the object it's hitting, then you'll get what's called resonance. Resonance occurs when the amplitude of an object's oscillations are increased by the matching vibrations of another object.

How do you Percuss your stomach?

Abdominal Percussion
  1. Start just below the right breast in a line with the middle of the clavicle, a point that you are reasonably certain is over the lungs.
  2. Move your hand down a few centimeters and repeat.
  3. Continue your march downward until the sound changes once again.

Why is Percuss a chest?

Percussion sets the chest wall and underlying tissues into motion, producing audible sounds and palpable vibrations. Percussion helps to determine whether the underlying tissues are filled with air, fluid, or solid material.

What is Bronchophony positive?

Bronchophony. This term represents a test to perform on the patient which may indicate that there is consolidation of the lung. Consolidation refers to increased density of the lung tissue, due to it being filled with fluid and/or blood or mucus.

What is Hemothorax mean?

A hemothorax (derived from hemo- [blood] + thorax [chest], plural hemothoraces) is an accumulation of blood within the pleural cavity. The symptoms of a hemothorax include chest pain and difficulty breathing, while the clinical signs include reduced breath sounds on the affected side and a rapid heart rate.

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What should you hear when Percussing the chest?