Cardiometrix

Doctors have been listening to the sounds our bodies make for centuries. Before the invention of stethoscopes, they simply put their ears to their patients' chests or abdomens, to listen to the sounds produced by our body's internal workings. Today, the practice of auscultation, using a stethoscope to examine a patient, has evolved into a sophisticated diagnostic tool that provides valuable insights into various aspects of our health: lungs, heart, bowel, vocal cords, joints, arterial conditions, sleep quality and more. Moreover, by amalgamating biomarkers and clinical data with a myriad of acoustic cues like sneezes, breath patterns, speech, throat clearings, wheezes, and more, the healthcare decision-making process stands poised for remarkable enhancement.  Auscultation is a valuable diagnostic tool because it is safe and noninvasive. Doctors place their stethoscopes at various positions on the chest to listen to different heart valves. The sounds they hear include the closur...

A study published in the peer-reviewed journal "Nature" found that artificial intelligence (AI) is better at assessing heart function than sonographers. The study was conducted by investigators at the Smidt Heart Institute and the Division of Artificial Intelligence in Medicine at Cedars-Sinai and was a first-of-its-kind, blinded, randomized clinical trial of AI in cardiology. Cardiologists more frequently agreed with the initial assessment made by AI and made corrections to only 16.8% of the AI initial assessments. Cardiologists made corrections to 27.2% of the sonographers' initial assessments, and the physicians were unable to distinguish between AI and sonographer assessments. AI also saved cardiologists and sonographers time. The hope is to save clinicians time and minimize the more tedious parts of the cardiac imaging workflow. However, the cardiologist remains the final expert adjudicator of the AI model output. Regulatory approvals are now needed for such tools to...