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Comparison of Auscultation Quality Using Contemporary Digital Stethoscopes

Comparison of Auscultation Quality Using Contemporary Digital Stethoscopes

Auscultation is a common clinical tool for assessing patients for valvular heart disease (VHD). Its accuracy for screening varies based on operator’s training and experience. While echocardiography remains the gold standard in diagnosing VHD due to its greater accuracy, especially among individuals with obesity [1,2], its use is cost-prohibitive for screening. Digital stethoscopes have emerged as a more cost-effective alternative [3].

Norah Saraya, Jonathon McBride, Karandeep Singh, Omar Sohail, Porag Jeet Das

JMIR Cardio 2024;8:e54746

Automated Interpretation of Lung Sounds by Deep Learning in Children With Asthma: Scoping Review and Strengths, Weaknesses, Opportunities, and Threats Analysis

Automated Interpretation of Lung Sounds by Deep Learning in Children With Asthma: Scoping Review and Strengths, Weaknesses, Opportunities, and Threats Analysis

Since the invention of the stethoscope by René Laennec in 1816, pulmonary auscultation has become a fundamental part of routine physical examination. However, the interpretation of sounds is ultimately limited by the human capacity for auditory perception and cognitive pattern detection. Recent efforts to digitalize auscultation audio allow the recording of sounds that can then be exploited by various software to assist interpretation [7].

Isabelle Ruchonnet-Métrailler, Johan N Siebert, Mary-Anne Hartley, Laurence Lacroix

J Med Internet Res 2024;26:e53662

Accurate Modeling of Ejection Fraction and Stroke Volume With Mobile Phone Auscultation: Prospective Case-Control Study

Accurate Modeling of Ejection Fraction and Stroke Volume With Mobile Phone Auscultation: Prospective Case-Control Study

This study aims to establish a set of markers using complex but reproducible mathematics from mobile phone auscultation data that would enable the determination of EF and SV for HF detection, classification, and monitoring. The goal of this study was to demonstrate the feasibility of creating mobile phone models for the classification of LVEF and SV by matching echocardiographic results to phone recordings.

Martin Huecker, Craig Schutzman, Joshua French, Karim El-Kersh, Shahab Ghafghazi, Ravi Desai, Daniel Frick, Jarred Jeremy Thomas

JMIR Cardio 2024;8:e57111

Feasibility and Acceptability of Pediatric Smartphone Lung Auscultation by Parents: Cross-Sectional Study

Feasibility and Acceptability of Pediatric Smartphone Lung Auscultation by Parents: Cross-Sectional Study

Lung auscultation is a quick, inexpensive, and efficient way to assess the respiratory system and help monitor a child’s respiratory status [7,8]. However, as auscultation with a stethoscope is commonly performed by a physician during in-person visits, there is a need for suitable alternatives that support teleconsultation and empower families to take control of their own health and others’ health.

Catarina Santos-Silva, Henrique Ferreira-Cardoso, Sónia Silva, Pedro Vieira-Marques, José Carlos Valente, Rute Almeida, João A Fonseca, Cristina Santos, Inês Azevedo, Cristina Jácome

JMIR Pediatr Parent 2024;7:e52540

A Low-Cost, Ear-Contactless Electronic Stethoscope Powered by Raspberry Pi for Auscultation of Patients With COVID-19: Prototype Development and Feasibility Study

A Low-Cost, Ear-Contactless Electronic Stethoscope Powered by Raspberry Pi for Auscultation of Patients With COVID-19: Prototype Development and Feasibility Study

Auscultation is important for these patients, particularly those with severe pneumonia or respiratory dysfunction and those who are intubated and whose breathing is assisted with a ventilator, to ensure accurate diagnosis and to assess disease severity and treatment efficacy [8,9]. In addition, auscultation has been shown to act as an emotional bridge between health staff and patients, who are isolated and separated from their loved ones [10].

Chuan Yang, Wei Zhang, Zhixuan Pang, Jing Zhang, Deling Zou, Xinzhong Zhang, Sicong Guo, Jiye Wan, Ke Wang, Wenyue Pang

JMIR Med Inform 2021;9(1):e22753