{"id":9890,"date":"2009-08-21T16:42:22","date_gmt":"2009-08-21T16:42:22","guid":{"rendered":"http:\/\/cardiophile.org\/?p=2662"},"modified":"2009-08-21T16:42:22","modified_gmt":"2009-08-21T16:42:22","slug":"treadmill-exercise-test-tmt-ecg-series-2","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/professional\/treadmill-exercise-test-tmt-ecg-series-2\/","title":{"rendered":"Treadmill exercise test ECG series"},"content":{"rendered":"<h2><span style=\"color: #008000;\">Treadmill exercise test ECG series<\/span><\/h2>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1AQsrrYHpDM\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><br \/>\nTreadmill exercise test ECG series starts with a pretest ECG and recordings in every stage of exercise and recovery phase. Sometimes an ECG during hyperventilation is also recorded.<\/p>\n<figure id=\"attachment_26935\" aria-describedby=\"caption-attachment-26935\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-26935 size-full\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2009\/08\/TMT-Pretest1.jpg\" alt=\"TMT pretest ECG\" width=\"1000\" height=\"493\"><figcaption id=\"caption-attachment-26935\" class=\"wp-caption-text\">Treadmill exercise test pretest ECG<\/figcaption><\/figure>\n<p>The pretest ECG of a treadmill exercise test series shows a bit of artefacts especially in leads II and III. The pretest heart rate is about 100\/min, possibly due to apprehension.<\/p>\n<figure id=\"attachment_26936\" aria-describedby=\"caption-attachment-26936\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-26936 size-full\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2009\/08\/TMT-stage-1.jpg\" alt=\"TMT Stage 1 ECG\" width=\"1000\" height=\"525\"><figcaption id=\"caption-attachment-26936\" class=\"wp-caption-text\">Treadmill test Stage 1 ECG<\/figcaption><\/figure>\n<p>ECG recording in stage 1 of the Bruce protocol of treadmill exercise test. The heart rate has increased and there are not many artefacts and no significant ST segment shift is evident.<\/p>\n<figure id=\"attachment_26937\" aria-describedby=\"caption-attachment-26937\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-26937\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2009\/08\/TMT-peak-ex.jpg\" alt=\"Treadmill test ECG at peak exercise\" width=\"1000\" height=\"519\"><figcaption id=\"caption-attachment-26937\" class=\"wp-caption-text\">Treadmill test ECG at peak exercise<\/figcaption><\/figure>\n<p>The recording at the peak exercise shows significant horizontal ST segment depression in inferior and lateral leads at a fast heart rate. But the significant level of artefacts in the raw rhythm strip make us suspect whether the ST segment depression could be artifactual due to computerized averaging in the computer synthesized rhythm.<\/p>\n<figure id=\"attachment_26938\" aria-describedby=\"caption-attachment-26938\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-26938\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2009\/08\/TMT-recovery-1.jpg\" alt=\"Treadmill test early recovery ECG\" width=\"1000\" height=\"519\"><figcaption id=\"caption-attachment-26938\" class=\"wp-caption-text\">Treadmill test early recovery ECG<\/figcaption><\/figure>\n<p>The recording in early phase of recovery at 1 minute shows very little ST segment depression, making us suspect further whether the earlier recording was really due to myocardial ischemia. But the ST segment is downsloping in inferior leads.<\/p>\n<figure id=\"attachment_26939\" aria-describedby=\"caption-attachment-26939\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-26939\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2009\/08\/TMT-recovery-2.jpg\" alt=\"Treadmill test recovery phase ECG at 3 min\" width=\"1000\" height=\"529\"><figcaption id=\"caption-attachment-26939\" class=\"wp-caption-text\">Treadmill test recovery phase ECG at 3 min<\/figcaption><\/figure>\n<p>ECG at 3 minutes of recovery shows further worsening of ST segment depression in inferior and lateral leads, establishing the presence of significant myocardial ischemia.<\/p>\n<figure id=\"attachment_26940\" aria-describedby=\"caption-attachment-26940\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-26940\" src=\"https:\/\/johnsonfrancis.org\/professional\/wp-content\/uploads\/2009\/08\/TMT-recovery-3.jpg\" alt=\"TMT recovery phase ECG at 6 minutes\" width=\"1000\" height=\"524\"><figcaption id=\"caption-attachment-26940\" class=\"wp-caption-text\">TMT recovery phase ECG at 6 minutes<\/figcaption><\/figure>\n<p>TMT recovery phase ECG at 6 minutes showing the persistence of downsloping ST segment depression. This calls for further evaluation including coronary angiography and revascularization if feasible. Moreover, ECG recording has to be continued till the ST segment shift resolves.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Treadmill exercise test (TMT) ECG series<\/p>\n","protected":false},"author":1,"featured_media":37591,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[6,7],"tags":[],"class_list":["post-9890","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecg-electrophysiology","category-ecg-library"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Treadmill exercise test ECG series - shows positive response<\/title>\n<meta name=\"description\" content=\"Treadmill exercise test ECG series: There is significant horizontal ST depression at peak exercise and downsloping ST depression in recovery.\" \/>\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\/professional\/treadmill-exercise-test-tmt-ecg-series-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Treadmill exercise test ECG series - 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