{ "@context" : "http://schema.org", "@type" : "Product" ,"aggregateRating": { "@type" : "AggregateRating", "bestRating": "5", "ratingValue" : "4.5916", "reviewCount" : "715", "worstRating" : 1 }, "review": [ { "@type":"Review", "author": { "@type": "Person", "name": "Timothy F" }, "datePublished" : "2025-11-07", "description" : "More than a decade ago, I bought a cardiology iii Littmann.\r\nI have been using my original echo stethoscope as a teaching tool so I decided to convert this old stethoscope with the attachment. The results were fabulous. I get excellent resolution of split heart sounds. It is very clear. I recommend this attachment for your old Littmann without reservation.\r\n", "reviewRating": { "@type": "Rating", "bestRating" : "5", "ratingValue" : "5", "worstRating" : "1" }, "reviewBody": "More than a decade ago, I bought a cardiology iii Littmann.\r\nI have been using my original echo stethoscope as a teaching tool so I decided to convert this old stethoscope with the attachment. The results were fabulous. I get excellent resolution of split heart sounds. It is very clear. I recommend this attachment for your old Littmann without reservation.\r\n" } , { "@type":"Review", "author": { "@type": "Person", "name": "Jordan M" }, "datePublished" : "2025-10-23", "description" : "Could not be happier with this amplifier. Helped me to recognize patient was in irregular heart rhythm while taking her blood pressure. Upon further assessment patient had reverted to atrial fibrillation and needed hospitalization. ", "reviewRating": { "@type": "Rating", "bestRating" : "5", "ratingValue" : "5", "worstRating" : "1" }, "reviewBody": "Could not be happier with this amplifier. Helped me to recognize patient was in irregular heart rhythm while taking her blood pressure. Upon further assessment patient had reverted to atrial fibrillation and needed hospitalization. " } ] ,"name" : "Eko COREā„¢ Digital Attachment", "image" : "https://cdn.shopify.com/s/files/1/0715/6111/files/COREAttach-1-min.png?v=1743572924", "sku" : "COR200" }