https://www.opti-ecg.com 2026-04-03T17:55:58.771Z monthly 1 https://www.opti-ecg.com/about 2025-12-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/pricing 2026-01-15T00:00:00.000Z monthly 0.8 https://www.opti-ecg.com/contact 2025-10-01T00:00:00.000Z yearly 0.6 https://www.opti-ecg.com/privacy 2025-10-01T00:00:00.000Z yearly 0.3 https://www.opti-ecg.com/terms 2025-10-01T00:00:00.000Z yearly 0.3 https://www.opti-ecg.com/blog 2026-04-03T17:55:58.771Z weekly 0.8 https://www.opti-ecg.com/case-studies 2026-04-03T17:55:58.771Z weekly 0.9 https://www.opti-ecg.com/veterinary/case-studies 2026-04-03T17:55:58.771Z weekly 0.9 https://www.opti-ecg.com/videos 2026-04-03T17:55:58.771Z weekly 0.9 https://www.opti-ecg.com/veterinary/videos 2026-04-03T17:55:58.771Z weekly 0.9 https://www.opti-ecg.com/veterinary/case-studies/arrhythmia-in-a-cavalier-king-charles-spaniel-with-mmvd-stage-b1 2026-03-09T05:34:57.835Z monthly 0.8 https://www.opti-ecg.com/veterinary/case-studies/when-ventricular-arrhythmias-arent-cardiac---bodies-ecg-case 2026-03-13T11:48:56.198Z monthly 0.8 https://www.opti-ecg.com/veterinary/case-studies/sinus-arrhythmia-in-a-healthy-dog 2026-03-05T06:01:10.630Z monthly 0.8 https://www.opti-ecg.com/veterinary/case-studies/complete-atrioventricular-block-in-a-cat-requiring-general-anesthesia 2026-03-13T11:48:56.231Z monthly 0.8 https://www.opti-ecg.com/veterinary/case-studies/afdcm-dobie 2026-03-20T17:20:33.531Z monthly 0.8 https://www.opti-ecg.com/veterinary/videos/ecg-basics-series-measurements 2026-03-01T15:06:24.088Z monthly 0.7 https://www.opti-ecg.com/veterinary/videos/ecg-basics-series-systematic-approach-to-ecg-interpretation 2026-03-10T15:41:31.329Z monthly 0.7 https://www.opti-ecg.com/veterinary/videos/ecg-rhythm-series-ventricular-premature-contractions 2026-03-05T06:02:49.747Z monthly 0.7 https://www.opti-ecg.com/veterinary/videos/ecg-rhythm-series-aivr 2026-03-01T16:52:14.548Z monthly 0.7 https://www.opti-ecg.com/veterinary/videos/ecg-rhythm-series-atrial-fibrillation 2026-03-01T16:27:47.398Z monthly 0.7 https://www.opti-ecg.com/veterinary/videos/ecg-rhythm-series-complete-heart-block 2026-03-01T16:16:32.652Z monthly 0.7 https://www.opti-ecg.com/veterinary/videos/ecg-rhythm-series-premature-atrial-contractions-pacs 2026-03-01T15:40:53.173Z monthly 0.7 https://www.opti-ecg.com/veterinary/videos/ecg-rhythm-series-wandering-pacemaker 2026-03-01T15:33:57.119Z monthly 0.7 https://www.opti-ecg.com/veterinary/videos/ecg-rhythm-series-sinus-arrhythmia 2026-03-01T15:23:37.705Z monthly 0.7 https://www.opti-ecg.com/veterinary/videos/ecg-rhythm-series-sinus-rhythm 2026-03-01T15:16:37.295Z monthly 0.7 https://www.opti-ecg.com/blog/building-an-interactive-ecg-waveform 2026-02-04T08:30:03.192Z monthly 0.6 https://www.opti-ecg.com/learn 2026-03-01T00:00:00.000Z monthly 0.8 https://www.opti-ecg.com/learn/rhythms 2026-03-01T00:00:00.000Z monthly 0.8 https://www.opti-ecg.com/learn/leads 2026-03-01T00:00:00.000Z monthly 0.8 https://www.opti-ecg.com/learn/intervals 2026-03-01T00:00:00.000Z monthly 0.8 https://www.opti-ecg.com/learn/axis 2026-03-01T00:00:00.000Z monthly 0.8 https://www.opti-ecg.com/learn/conduction 2026-03-01T00:00:00.000Z monthly 0.8 https://www.opti-ecg.com/learn/veterinary 2026-03-01T00:00:00.000Z monthly 0.8 https://www.opti-ecg.com/learn/rhythms/normal-sinus-rhythm 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/sinus-bradycardia 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/sinus-tachycardia 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/atrial-fibrillation 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/atrial-flutter 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/premature-atrial-complexes 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/premature-ventricular-complexes 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/supraventricular-tachycardia 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/ventricular-tachycardia 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/ventricular-fibrillation 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/torsades-de-pointes 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/first-degree-av-block 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/second-degree-av-block-type-i 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/second-degree-av-block-type-ii 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/third-degree-av-block 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/right-bundle-branch-block 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/left-bundle-branch-block 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/wpw-syndrome 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/junctional-rhythm 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/wandering-atrial-pacemaker 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/multifocal-atrial-tachycardia 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/left-anterior-fascicular-block 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/left-posterior-fascicular-block 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/idioventricular-rhythm 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/rhythms/asystole 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/lead-i 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/lead-ii 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/lead-iii 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/lead-avr 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/lead-avl 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/lead-avf 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/lead-v1 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/lead-v2 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/lead-v3 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/lead-v4 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/lead-v5 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/lead-v6 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/limb-leads-overview 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/leads/precordial-leads-overview 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/intervals/pr-interval 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/intervals/qrs-complex 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/intervals/qt-interval 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/intervals/st-segment 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/intervals/p-wave 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/intervals/t-wave 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/axis/normal-axis 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/axis/left-axis-deviation 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/axis/right-axis-deviation 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/axis/extreme-axis-deviation 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/axis/left-ventricular-hypertrophy 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/axis/right-ventricular-hypertrophy 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/axis/determining-cardiac-axis 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/axis/axis-in-veterinary-ecg 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/conduction/sa-node 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/conduction/av-node 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/conduction/bundle-of-his 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/conduction/right-bundle-branch 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/conduction/left-bundle-branch 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/conduction/left-anterior-fascicle 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/conduction/left-posterior-fascicle 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/conduction/purkinje-fibers 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/veterinary/canine-ecg-overview 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/veterinary/canine-normal-sinus-rhythm 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/veterinary/canine-atrial-fibrillation 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/veterinary/canine-arrhythmias 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/veterinary/canine-cardiac-axis 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/veterinary/canine-lead-placement 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/veterinary/feline-ecg-overview 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/veterinary/species-ecg-comparison 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/veterinary/veterinary-ecg-interpretation 2026-03-01T00:00:00.000Z monthly 0.7 https://www.opti-ecg.com/learn/veterinary/veterinary-heart-rate-ranges 2026-03-01T00:00:00.000Z monthly 0.7