STATE GHAZIPUR HOMOEOPATHICMEDICAL COLLEGE & HOSPITALDepartment of Practice of Medicine

Topic - Breath Sound : Normal & Abnormal

Faculty Advisors:

  • • Dr. Sunrita Das (Assistant Professor)
  • • Dr. Dharmesh Gujarati (Assistant Professor)
  • • Dr. R.R. Mishra (Guest Lecturer)

Project Team:

• Mr. Imran Qamar Khan
• Ms. Kritika Dwivedi
• Mr. Mahendra Pratap Singh
• Ms. Sadhana Kushwaha
• Ms. Satakshi Srivastava
• Ms. Shreya Sonker

Interactive Lung Visualization

Click on different regions of the lungs to hear corresponding sounds.

Interactive Lung Map

Color codes: Normal sounds, Abnormal sounds

Click on any marker to hear the corresponding sound. Hover for information.

Right LungLeft LungTracheaUpper LobeUpper LobeLower LobeLower Lobe

Key anatomical regions:

  • • Upper lobes - Apex
  • • Middle/Lingular
  • • Lower lobes - Base

Auscultation sequence:

  • • Compare left and right sides
  • • Listen through full inspiration and expiration
  • • Move in systematic pattern

Selected Sound

Vesicular

Soft, low-pitched sound heard when listening over most lung fields. Inspiratory phase is longer than expiratory phase.

Location: Most peripheral lung regions during normal breathing

Vesicular

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Click play to listen

Breath Sound Library

Normal Breath Sounds

Vesicular

Soft, low-pitched sound heard when listening over most lung fields. Inspiratory phase is longer than expiratory phase.

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Bronchial

Loud, high-pitched, hollow sounds with a gap between inspiratory and expiratory phases. Expiratory phase is longer than inspiratory phase.

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Broncho-vesicular

Medium-pitched sounds with equal inspiratory and expiratory phases. Intermediate between bronchial and vesicular sounds.

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Abnormal Breath Sounds

Wheezes

Continuous, high-pitched musical sounds caused by air moving through narrowed airways.

Location: Common in asthma and COPD patients

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Crackles (Rales)

Discontinuous, non-musical sounds like small bubbles bursting or paper rustling.

Location: Often heard in pulmonary edema and pneumonia

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Rhonchi

Continuous, low-pitched gurgling sounds that indicate airway secretions.

Location: Typically heard in bronchitis and COPD

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Stridor

Harsh, high-pitched sound heard primarily during inspiration.

Location: Upper airway obstruction

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Pleural Rub

Grating or creaking sound caused by inflamed pleural surfaces rubbing together.

Location: Heard with pleurisy or pleural inflammation

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Sound Comparison Tool

Enable comparison mode to compare any two breath sounds side by side for educational purposes.

Educational Resources

Auscultation Technique

Learn proper positioning and technique for effective lung auscultation.

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Clinical Significance

Understand how different breath sounds correlate with clinical conditions.

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Practice Cases

Test your knowledge with real patient scenarios and breath sound identification.

Read more →