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Updated: Nov 8, 2025

Machine Learning-Based Cough Tone Classification: Diagnostic Exploration of Chronic Obstructive Pulmonary Disease and Respiratory Tract Infections
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[Cough from a cardiologic perspective].

Maryam Pavlicek-Bahlo1, Lukas Hunziker1

  • 1Universitätsklinik für Kardiologie, Inselspital Bern.

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|April 26, 2021
PubMed
Summary
This summary is machine-generated.

Coughing often signals heart issues, not just lung problems. Cardiology is crucial for diagnosing coughs, especially those linked to heart failure, arrhythmias, or cardiac medications.

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Area of Science:

  • Cardiology
  • Pulmonology
  • Neurology

Background:

  • Cough is a reflex with receptors in multiple organ systems, not solely the respiratory tract.
  • While typically prompting pulmonary investigation, cough's origins can involve cardiac and neurological factors.
  • Cardiology plays a vital role in diagnosing coughs due to its influence on the cough reflex arc.

Purpose of the Study:

  • To highlight the significance of cardiology in the differential diagnosis of cough.
  • To explore the various cardiac conditions and factors that can induce or be associated with cough.
  • To emphasize the interplay between cardiac health, medications, and cough symptoms.

Main Methods:

  • Review of existing literature on cough etiology from a cardiologic perspective.
  • Analysis of the relationship between cardiac pathologies (heart failure, cardiomyopathies, arrhythmias) and cough.
  • Examination of drug-induced cough in cardiology and its differentiation from other causes.

Main Results:

  • Heart failure, particularly from cardiomyopathies, is a frequent cardiac cause of cough.
  • Cough can be intricately linked with cardiac arrhythmias, acting as cause, consequence, or even therapy.
  • Many common cardiovascular drugs can precipitate cough, requiring careful consideration.

Conclusions:

  • Cough evaluation necessitates a cardiologic perspective due to the heart's involvement in the cough reflex.
  • Differentiating cardiac-induced cough from other causes, including COVID-19, is essential for accurate diagnosis and management.
  • Understanding the multifaceted relationship between the heart and cough improves patient care.