{"id":597405,"date":"2024-05-23T03:45:27","date_gmt":"2024-05-23T07:45:27","guid":{"rendered":"https:\/\/platohealth.ai\/wide-complex-tachycardia-with-two-qrs-morphologies-what-is-the-mechanism\/"},"modified":"2024-05-24T03:02:25","modified_gmt":"2024-05-24T07:02:25","slug":"wide-complex-tachycardia-with-two-qrs-morphologies-what-is-the-mechanism","status":"publish","type":"post","link":"https:\/\/platohealth.ai\/wide-complex-tachycardia-with-two-qrs-morphologies-what-is-the-mechanism\/","title":{"rendered":"Wide Complex Tachycardia With Two QRS Morphologies: What Is The Mechanism?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"
A man in his 50s presented to the emergency department with palpitations. He had a background of arrhythmic right ventricular cardiomyopathy. He had previously undergone the placement of a dual-chamber implantable cardioverter-defibrillator for atrioventricular block and ventricular tachycardia (VT). The device was programmed in a dual-chamber rate-modulated pacing mode with a lower rate of 80 beats per minute (bpm), an upper track\/sensor rate of 120 bpm, paced atrioventricular delay (P-AVD) and sensed atrioventricular delay of 190 and 150 ms, respectively, ventricular safety pacing on and mode switch on. His regular medications included flecainide and bisoprolol.<\/p>\n
A 12-lead ECG was obtained demonstrating a ventricular rate of 133 bpm (figure 1A). Following the infusion of intravenous magnesium and amiodarone, the \u2026 <\/p>\n
Clinical introduction A man in his 50s presented to the emergency department with palpitations. He had a background of arrhythmic right ventricular cardiomyopathy. He had previously undergone the placement of a dual-chamber implantable cardioverter-defibrillator for atrioventricular block and ventricular tachycardia (VT). The device was programmed in a dual-chamber rate-modulated pacing mode with a lower rate […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":2,"featured_media":597408,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1217],"tags":[],"acf":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/platohealth.ai\/wp-json\/wp\/v2\/posts\/597405"}],"collection":[{"href":"https:\/\/platohealth.ai\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/platohealth.ai\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/platohealth.ai\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/platohealth.ai\/wp-json\/wp\/v2\/comments?post=597405"}],"version-history":[{"count":1,"href":"https:\/\/platohealth.ai\/wp-json\/wp\/v2\/posts\/597405\/revisions"}],"predecessor-version":[{"id":597407,"href":"https:\/\/platohealth.ai\/wp-json\/wp\/v2\/posts\/597405\/revisions\/597407"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/platohealth.ai\/wp-json\/wp\/v2\/media\/597408"}],"wp:attachment":[{"href":"https:\/\/platohealth.ai\/wp-json\/wp\/v2\/media?parent=597405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/platohealth.ai\/wp-json\/wp\/v2\/categories?post=597405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/platohealth.ai\/wp-json\/wp\/v2\/tags?post=597405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}