{"id":18134,"date":"2021-10-07T18:40:59","date_gmt":"2021-10-07T13:10:59","guid":{"rendered":"https:\/\/johnsonfrancis.org\/general\/?p=18134"},"modified":"2021-10-07T19:03:32","modified_gmt":"2021-10-07T13:33:32","slug":"errors-in-ecg-recording","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/","title":{"rendered":"Errors in ECG recording"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/xQK7I92mU24\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><\/p>\n<h2><span style=\"color: #008000;\">Errors in ECG recording<\/span><\/h2>\n<p>ECG is a widely available simple test to detect heart attack and gives important information in many other heart diseases.<\/p>\n<figure id=\"attachment_18138\" aria-describedby=\"caption-attachment-18138\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18138 size-large\" src=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ECG-electrode-positions-1-1024x622.jpg\" alt=\"ECG electrode positions\" width=\"640\" height=\"389\" srcset=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ECG-electrode-positions-1-1024x622.jpg 1024w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ECG-electrode-positions-1-300x182.jpg 300w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ECG-electrode-positions-1-768x467.jpg 768w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ECG-electrode-positions-1.jpg 1463w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><figcaption id=\"caption-attachment-18138\" class=\"wp-caption-text\">ECG electrode positions<\/figcaption><\/figure>\n<p>Still human error during recording can cause difficulty and errors in interpretation sometimes. The commonest error is misplacement of ECG electrodes used for recording.<\/p>\n<figure id=\"attachment_18140\" aria-describedby=\"caption-attachment-18140\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18140 size-large\" src=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ECG-in-R-L-arm-lead-reversal-1024x533.jpg\" alt=\"ECG in R-L arm lead reversal\" width=\"640\" height=\"333\" srcset=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ECG-in-R-L-arm-lead-reversal-1024x533.jpg 1024w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ECG-in-R-L-arm-lead-reversal-300x156.jpg 300w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ECG-in-R-L-arm-lead-reversal-768x400.jpg 768w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ECG-in-R-L-arm-lead-reversal.jpg 1391w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><figcaption id=\"caption-attachment-18140\" class=\"wp-caption-text\">ECG in R-L arm lead reversal<\/figcaption><\/figure>\n<p>Of these, the most common one is placing the electrode meant for right arm in the left arm and vice versa. This will cause the waves which are expected to be upright to be inverted.<\/p>\n<figure id=\"attachment_18142\" aria-describedby=\"caption-attachment-18142\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18142 size-large\" src=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Normal-limb-and-chest-leads-1024x567.jpg\" alt=\"Normal limb and chest leads\" width=\"640\" height=\"354\" srcset=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Normal-limb-and-chest-leads-1024x567.jpg 1024w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Normal-limb-and-chest-leads-300x166.jpg 300w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Normal-limb-and-chest-leads-768x426.jpg 768w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Normal-limb-and-chest-leads-1536x851.jpg 1536w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Normal-limb-and-chest-leads.jpg 1653w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><figcaption id=\"caption-attachment-18142\" class=\"wp-caption-text\">Normal limb and chest leads<\/figcaption><\/figure>\n<p>This same pattern can occur in birth defects in which the heart is on the right side than on the left side of the chest. It can be easily identified by checking the recordings from chest leads, which will show normal pattern if only limb leads have been reversed.<\/p>\n<figure id=\"attachment_18144\" aria-describedby=\"caption-attachment-18144\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-18144\" src=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/50-Hz-alternating-current-line-voltage-interference-in-the-baseline-1024x551.jpg\" alt=\"50 Hz alternating current line voltage interference in the baseline\" width=\"640\" height=\"344\" srcset=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/50-Hz-alternating-current-line-voltage-interference-in-the-baseline-1024x551.jpg 1024w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/50-Hz-alternating-current-line-voltage-interference-in-the-baseline-300x162.jpg 300w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/50-Hz-alternating-current-line-voltage-interference-in-the-baseline-768x414.jpg 768w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/50-Hz-alternating-current-line-voltage-interference-in-the-baseline-1536x827.jpg 1536w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/50-Hz-alternating-current-line-voltage-interference-in-the-baseline.jpg 1623w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><figcaption id=\"caption-attachment-18144\" class=\"wp-caption-text\">50 Hz alternating current line voltage interference in the baseline<\/figcaption><\/figure>\n<p>Errors during recording can be easily identified by getting the ECG recorded under direct observation of the medical personnel when there is a doubt.<br \/>\nIf there is a source of strong electrical interference in the vicinity, it will show up in the ECG as a 50 Hz alternating current tracing in the ECG baseline.<\/p>\n<figure id=\"attachment_18146\" aria-describedby=\"caption-attachment-18146\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-18146\" src=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ICU-Monitor-1024x580.jpg\" alt=\"ICU Monitor\" width=\"640\" height=\"363\" srcset=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ICU-Monitor-1024x580.jpg 1024w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ICU-Monitor-300x170.jpg 300w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ICU-Monitor-768x435.jpg 768w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ICU-Monitor-1536x870.jpg 1536w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/ICU-Monitor.jpg 1604w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><figcaption id=\"caption-attachment-18146\" class=\"wp-caption-text\">ICU Monitor<\/figcaption><\/figure>\n<p>This usually occurs in the intensive care units where several electrically operated devices are connected to the individual. Simple method to avoid this is to switch off all other electrical equipment in the vicinity temporarily and operate the ECG machine on battery.<\/p>\n<figure id=\"attachment_18148\" aria-describedby=\"caption-attachment-18148\" style=\"width: 640px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-18148\" src=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Random-electrical-signals-Not-line-voltage-1024x777.jpg\" alt=\"Random electrical signals (Not line voltage)\" width=\"640\" height=\"486\" srcset=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Random-electrical-signals-Not-line-voltage-1024x777.jpg 1024w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Random-electrical-signals-Not-line-voltage-300x228.jpg 300w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Random-electrical-signals-Not-line-voltage-768x583.jpg 768w, https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Random-electrical-signals-Not-line-voltage.jpg 1221w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><figcaption id=\"caption-attachment-18148\" class=\"wp-caption-text\">Random electrical signals (Not line voltage)<\/figcaption><\/figure>\n<p>Errors due to picking up of electrical activity from the muscles can occur in those who are restless or quite anxious and having tremors. This can be taken care of by pacifying and occasionally by using sedation if unavoidable, especially in case of children.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Errors in ECG recording ECG is a widely available simple test to detect heart attack and gives important information in many other heart diseases. Still human error during recording can cause difficulty and errors in interpretation sometimes. The commonest error is misplacement of ECG electrodes used for recording. Of these, the most common one is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18135,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-18134","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Errors in ECG recording - All About Heart And Blood Vessels<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Errors in ECG recording - All About Heart And Blood Vessels\" \/>\n<meta property=\"og:description\" content=\"Errors in ECG recording ECG is a widely available simple test to detect heart attack and gives important information in many other heart diseases. Still human error during recording can cause difficulty and errors in interpretation sometimes. The commonest error is misplacement of ECG electrodes used for recording. Of these, the most common one is [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Heart And Blood Vessels\" \/>\n<meta property=\"article:published_time\" content=\"2021-10-07T13:10:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-10-07T13:33:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Errors-in-ECG-recording.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"677\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Johnson Francis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Johnson Francis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/errors-in-ecg-recording\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/errors-in-ecg-recording\\\/\"},\"author\":{\"name\":\"Johnson Francis\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/#\\\/schema\\\/person\\\/f35ea33ecf9c9923597de2691ebed1a7\"},\"headline\":\"Errors in ECG recording\",\"datePublished\":\"2021-10-07T13:10:59+00:00\",\"dateModified\":\"2021-10-07T13:33:32+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/errors-in-ecg-recording\\\/\"},\"wordCount\":348,\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/errors-in-ecg-recording\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/wp-content\\\/uploads\\\/2021\\\/10\\\/Errors-in-ECG-recording.jpg\",\"articleSection\":[\"General\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/errors-in-ecg-recording\\\/\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/errors-in-ecg-recording\\\/\",\"name\":\"Errors in ECG recording - All About Heart And Blood Vessels\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/errors-in-ecg-recording\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/errors-in-ecg-recording\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/wp-content\\\/uploads\\\/2021\\\/10\\\/Errors-in-ECG-recording.jpg\",\"datePublished\":\"2021-10-07T13:10:59+00:00\",\"dateModified\":\"2021-10-07T13:33:32+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/#\\\/schema\\\/person\\\/f35ea33ecf9c9923597de2691ebed1a7\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/errors-in-ecg-recording\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/errors-in-ecg-recording\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/errors-in-ecg-recording\\\/#primaryimage\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/wp-content\\\/uploads\\\/2021\\\/10\\\/Errors-in-ECG-recording.jpg\",\"contentUrl\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/wp-content\\\/uploads\\\/2021\\\/10\\\/Errors-in-ECG-recording.jpg\",\"width\":1200,\"height\":677},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/errors-in-ecg-recording\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Errors in ECG recording\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/#website\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/\",\"name\":\"All About Heart And Blood Vessels\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/#\\\/schema\\\/person\\\/f35ea33ecf9c9923597de2691ebed1a7\",\"name\":\"Johnson Francis\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g\",\"caption\":\"Johnson Francis\"},\"description\":\"Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal\",\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/general\\\/author\\\/jf\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Errors in ECG recording - All About Heart And Blood Vessels","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/","og_locale":"en_US","og_type":"article","og_title":"Errors in ECG recording - All About Heart And Blood Vessels","og_description":"Errors in ECG recording ECG is a widely available simple test to detect heart attack and gives important information in many other heart diseases. Still human error during recording can cause difficulty and errors in interpretation sometimes. The commonest error is misplacement of ECG electrodes used for recording. Of these, the most common one is [&hellip;]","og_url":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/","og_site_name":"All About Heart And Blood Vessels","article_published_time":"2021-10-07T13:10:59+00:00","article_modified_time":"2021-10-07T13:33:32+00:00","og_image":[{"width":1200,"height":677,"url":"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Errors-in-ECG-recording.jpg","type":"image\/jpeg"}],"author":"Johnson Francis","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Johnson Francis","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/#article","isPartOf":{"@id":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/"},"author":{"name":"Johnson Francis","@id":"https:\/\/johnsonfrancis.org\/general\/#\/schema\/person\/f35ea33ecf9c9923597de2691ebed1a7"},"headline":"Errors in ECG recording","datePublished":"2021-10-07T13:10:59+00:00","dateModified":"2021-10-07T13:33:32+00:00","mainEntityOfPage":{"@id":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/"},"wordCount":348,"image":{"@id":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/#primaryimage"},"thumbnailUrl":"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Errors-in-ECG-recording.jpg","articleSection":["General"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/","url":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/","name":"Errors in ECG recording - All About Heart And Blood Vessels","isPartOf":{"@id":"https:\/\/johnsonfrancis.org\/general\/#website"},"primaryImageOfPage":{"@id":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/#primaryimage"},"image":{"@id":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/#primaryimage"},"thumbnailUrl":"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Errors-in-ECG-recording.jpg","datePublished":"2021-10-07T13:10:59+00:00","dateModified":"2021-10-07T13:33:32+00:00","author":{"@id":"https:\/\/johnsonfrancis.org\/general\/#\/schema\/person\/f35ea33ecf9c9923597de2691ebed1a7"},"breadcrumb":{"@id":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/#primaryimage","url":"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Errors-in-ECG-recording.jpg","contentUrl":"https:\/\/johnsonfrancis.org\/general\/wp-content\/uploads\/2021\/10\/Errors-in-ECG-recording.jpg","width":1200,"height":677},{"@type":"BreadcrumbList","@id":"https:\/\/johnsonfrancis.org\/general\/errors-in-ecg-recording\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/johnsonfrancis.org\/general\/"},{"@type":"ListItem","position":2,"name":"Errors in ECG recording"}]},{"@type":"WebSite","@id":"https:\/\/johnsonfrancis.org\/general\/#website","url":"https:\/\/johnsonfrancis.org\/general\/","name":"All About Heart And Blood Vessels","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/johnsonfrancis.org\/general\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/johnsonfrancis.org\/general\/#\/schema\/person\/f35ea33ecf9c9923597de2691ebed1a7","name":"Johnson Francis","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/80861b82c3f559be9e413245c5643b6c483c93495507facfe32cf96ccd8bcffd?s=96&d=mm&r=g","caption":"Johnson Francis"},"description":"Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal","url":"https:\/\/johnsonfrancis.org\/general\/author\/jf\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/johnsonfrancis.org\/general\/wp-json\/wp\/v2\/posts\/18134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/johnsonfrancis.org\/general\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/johnsonfrancis.org\/general\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/johnsonfrancis.org\/general\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/johnsonfrancis.org\/general\/wp-json\/wp\/v2\/comments?post=18134"}],"version-history":[{"count":5,"href":"https:\/\/johnsonfrancis.org\/general\/wp-json\/wp\/v2\/posts\/18134\/revisions"}],"predecessor-version":[{"id":18150,"href":"https:\/\/johnsonfrancis.org\/general\/wp-json\/wp\/v2\/posts\/18134\/revisions\/18150"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/johnsonfrancis.org\/general\/wp-json\/wp\/v2\/media\/18135"}],"wp:attachment":[{"href":"https:\/\/johnsonfrancis.org\/general\/wp-json\/wp\/v2\/media?parent=18134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/johnsonfrancis.org\/general\/wp-json\/wp\/v2\/categories?post=18134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/johnsonfrancis.org\/general\/wp-json\/wp\/v2\/tags?post=18134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}