[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-1-en-105":3,"doc-seo-573260-105":53,"doc-detail-573260-en":126},{"code":4,"msg":5,"data":6},0,"success",[7,14,19,24,29,34,39,44,49],{"id":8,"doc_module":9,"doc_module_name":10,"category_name":11,"show_sort_weight":12,"slug":13},11,1,"Template","Presentations",90,"presentations",{"id":15,"doc_module":9,"doc_module_name":10,"category_name":16,"show_sort_weight":17,"slug":18},12,"Resumes",80,"resumes",{"id":20,"doc_module":9,"doc_module_name":10,"category_name":21,"show_sort_weight":22,"slug":23},14,"Invoices",70,"invoices",{"id":25,"doc_module":9,"doc_module_name":10,"category_name":26,"show_sort_weight":27,"slug":28},15,"Posters",60,"posters",{"id":30,"doc_module":9,"doc_module_name":10,"category_name":31,"show_sort_weight":32,"slug":33},16,"Social Media",50,"social-media",{"id":35,"doc_module":9,"doc_module_name":10,"category_name":36,"show_sort_weight":37,"slug":38},17,"Forms",40,"forms",{"id":40,"doc_module":9,"doc_module_name":10,"category_name":41,"show_sort_weight":42,"slug":43},18,"Letters",30,"letters",{"id":45,"doc_module":9,"doc_module_name":10,"category_name":46,"show_sort_weight":47,"slug":48},21,"Paper Templates",5,"papers-templates",{"id":50,"doc_module":9,"doc_module_name":10,"category_name":51,"show_sort_weight":4,"slug":52},158,"General","general-158",{"code":4,"msg":54,"data":55},"ok",{"site_id":56,"language":57,"slug":58,"title":59,"keywords":60,"description":61,"schema_data":62,"social_meta":119,"head_meta":121,"extra_data":123,"updated_unix":125},105,"en","the-abcs-of-ecgs-recognizing-abnormal-ecgs-in-canine-and-feline-patients","The ABC’s of ECG’s - Recognizing Abnormal ECGs in Canine and Feline Patients","","ECG teaching material focused on recognizing abnormal electrocardiogram patterns in canine and feline patients. Covers basic cardiovascular anatomy and the cardiac conduction system, then outlines ECG recording technique and quiet-area setup. Provides a “quick and dirty” approach to assess sinus rhythm, regularity, heart rate, and extra complexes. Details normal sinus respiratory arrhythmia and multiple abnormal rhythms including sinus tachycardia, APCs, VPCs, bradycardia categories, AIVR, sick sinus syndrome, ventricular tachycardia, atrial standstill, AV blocks, and stabilization concepts for hyperkalemia.",{"@graph":63,"@context":118},[64,80,101],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":11,"@type":70,"position":76},"https://docshare.wps.com/template/presentations/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/the-abcs-of-ecgs-recognizing-abnormal-ecgs-in-canine-and-feline-patients/573260/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/the-abcs-of-ecgs-recognizing-abnormal-ecgs-in-canine-and-feline-patients/573260.png","ImageObject",442,249,{"name":88,"@type":89},"Cipher","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-10-18","2026-10-13",true,{"@type":98,"interactionType":99,"userInteractionCount":73},"InteractionCounter",{"@type":100},"ViewAction",{"@type":102,"mainEntity":103},"FAQPage",[104,110,114],{"name":105,"@type":106,"acceptedAnswer":107},"How should ECGs be recorded to reduce artifacts in dogs and cats?","Question",{"text":108,"@type":109},"Use a quiet area with no nearby electrical equipment, position the patient in right lateral recumbency, keep limbs perpendicular and avoid limb contact, and avoid panting; if dyspneic, obtain standing or sitting instead.","Answer",{"name":111,"@type":106,"acceptedAnswer":112},"What is the “quick and dirty” method for evaluating an ECG?",{"text":113,"@type":109},"Check whether it is sinus (a QRS complex for every P wave), assess whether the rhythm is regular, estimate heart rate and whether it is appropriate for the species, and look for extra beats or weird complexes/runs.",{"name":115,"@type":106,"acceptedAnswer":116},"Which abnormal ECG rhythm patterns are considered dangerous due to cardiac arrest risk?",{"text":117,"@type":109},"Asystole, pulseless ventricular tachycardia, ventricular fibrillation, and electromechanical dissociation (pulseless electrical activity).","https://schema.org",{"og:url":78,"og:type":120,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":122,"canonical":78},"index,follow",{"doc_id":124,"site_id":56},573260,1792359653,{"code":4,"msg":5,"data":127},{"doc_id":124,"user_id":128,"nickname":88,"user_avatar":129,"doc_module":9,"category_id":8,"category_name":11,"doc_title":59,"doc_description":61,"doc_content":130,"file_id":131,"file_url":132,"file_type":133,"file_size":134,"view_count":73,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":135,"language":136,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":137,"faqs":138,"seo_title":139,"seo_description":61,"update_tm":140,"read_time":76},687208528416,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","2/7/2024  \nThe ABC’s of ECG’s Recognizing Abnormal ECGs In Canine and Feline Patients  \nEmi Menzen, DVM  \nVCA NWVS Emergency and Critical Care  \nPump it up!  \n[https://steemitimages.com/DQmZorJmeXwSkS8y5Qc4Rfq9ayeX3bLTEhC3qXXSpxwNWKS/image.pn](https://steemitimages.com/DQmZorJmeXwSkS8y5Qc4Rfq9ayeX3bLTEhC3qXXSpxwNWKS/image.pn)[ ](https://steemitimages.com/DQmZorJmeXwSkS8y5Qc4Rfq9ayeX3bLTEhC3qXXSpxwNWKS/image.pn)[hgttps://steemitimages.com/DQmS3x1sxh7zmjUCLWhL6d9y1KGXmqiJLSW55hYVT6q35Z9/image.png](hgttps://steemitimages.com/DQmS3x1sxh7zmjUCLWhL6d9y1KGXmqiJLSW55hYVT6q35Z9/image.png)  \nBasic Cardiovascular Anatomy Cardiac Conduction System Normal & Abnormal ECG Recordings Outcomes of Arrhythmias Some therapeutics  \nPresentation Objectives  \nRecording ECGs  \nQuiet area  \nNo electrical equipment nearby (clippers) Right lateral recumbency  \nLimbs perpendicular to body, try not to let them touch  \nNo panting--if dyspneic, can obtain standing or sitting  \nEvaluating ECGs  \nCalculate heart rate (R-R interval)  \nMeasure wavelengths such as P wave height/width, PR interval, etc  \nDetermine rhythm  \nECGs tell us: heart rate, rhythm, and chamber size/wall thickness (sometimes!), +/-pericardialeffusion and endocrinopathies (hormonal diseases)  \n2/7/2024  \nThe Quick and Dirty  \n● Is it sinus? (Is there a ‘QRS’complex for every ‘P’wave?)  \n● Is it regular?  \n● What’s the rate? Is that normal, slow, or fast for this species?  \n● Any extra beats? Any weird complexes/runs?  \nWhat is normal? A Sinus Rhythm  \ntoo big or wide, etc)  \nAbnormal rhythms: tachycardia  \nOriginating from:  \n● Sinoatrial (SA) node-sinus tach  \n● Atrial or AV node-SVT, atrial flutter, afib  \n● Ventricular-Vtach, VPCs  \n“Normal” rhythms  \nSinus respiratory arrhythmia  \nVagally mediated (parasympathetic tone) - increased rate on inspiration, decreased on expiration  \nDOGS ONLY (Esp breeds with increased underlying vagal tone-bulldogs)  \nSinus tachycardia  \nSinus rhythm, but faster  \nCauses:  \n􀂙 Increased sympathetic tone – fear, anxiety, pain, fever  \n􀂙 Drugs – methylxanthines, catecholamines, thyroid oversupplementation, atropine  \n􀂙 Systemic/compensatory – In response to hypovolemia, sepsis, etc  \nTreat the underlying cause!  \n2  \n2/7/2024  \nAtrial Premature Contractions (APC)  \nOccur when another area of the atria depolarizes not the AV node Looks like a premature P wave with QRS  \n● can be superimposed on previous T wave Looks almost identical to other complexes  \nCauses: Any disease that can cause atrial enlargement (+ others)  \nVentricular premature complexesVPCs  \nEarly complex originating from ventricles-no ‘P’ wave Unifocal vs multiform; Couplets, Triplets, Runs, AIVR, Vtach QRS is ‘wide and bizarre’, usually a pause after  \nCauses: structural heart disease, boxer cardiomyopathy, hypoxia, anemia, uremia, GDV, splenic torsion/neoplasia, pancreatitis, myocarditis, drugs, etc, etc, etc  \n3  \n2/7/2024  \nAbnormal rhythms: bradycardia \u003C140 bpm cat, \u003C60 bpm dog  \nOriginating from: ● Atrial Myocardium:  \nAtrial Standstill  \n● Sinus Node: Sinus arrest, Sinus bradycardia, Sick sinus syndrome  \n● AV Node: AV Block- 1st, 2nd degree (Type I and II) and 3 AVB  \nAccelerated Idioventricular Rhythm  \n(AIVR)  \nRuns of VPCs in succession; rate less than ~160  \nDoes not necessitate treatment unless R on T phenom, multiform, or hemodynamically unstable patient  \nSick Sinus syndrome (Sinus bradycardia, sinus arrest, paroxysmal atrial tachycardia, intermittent AV nodal block, lack of ventricular escape complexes)  \nMore common in older female: miniature schnauzers, cockers, dachshunds, pugs, westies  \nIdiopathic  \nCollapse, weakness  \nMedical therapy--sometimes works, but often need pacemakers  \nVentricular tachycardia  \nComplexes are wide and bizarre, with a fast, regular rhythm (>160~180 bpm)  \nCauses: in dogs more often due to systemic disease, most often  \nheart disease in cats  \nPredisposes to ventricular fibrillation Vfib = CPA = bad news!!  \nSSS  \nSinus arrest- impulse does not leav","cbCailr87nXgMZnW","https://ap.wps.com/l/cbCailr87nXgMZnW","pdf",973641,7,"English","# Presentation Objectives\n## Recording ECGs\n## Evaluating ECGs\n## The Quick and Dirty\n## Normal & Abnormal ECG Rhythms\n## Atrial Premature Contractions (APC)\n## Ventricular Premature Complexes (VPCs)\n## Bradycardia and Origin Sites\n## Accelerated Idioventricular Rhythm (AIVR)\n## Sick Sinus Syndrome (SSS)\n## Ventricular Tachycardia and Dangerous Rhythms\n## Atrial Standstill\n## AV Blocks\n## Stabilization Methods","[{\"question\":\"How should ECGs be recorded to reduce artifacts in dogs and cats?\",\"answer\":\"Use a quiet area with no nearby electrical equipment, position the patient in right lateral recumbency, keep limbs perpendicular and avoid limb contact, and avoid panting; if dyspneic, obtain standing or sitting instead.\"},{\"question\":\"What is the “quick and dirty” method for evaluating an ECG?\",\"answer\":\"Check whether it is sinus (a QRS complex for every P wave), assess whether the rhythm is regular, estimate heart rate and whether it is appropriate for the species, and look for extra beats or weird complexes/runs.\"},{\"question\":\"Which abnormal ECG rhythm patterns are considered dangerous due to cardiac arrest risk?\",\"answer\":\"Asystole, pulseless ventricular tachycardia, ventricular fibrillation, and electromechanical dissociation (pulseless electrical activity).\"}]","The ABC’s of ECG’s - Recognizing Abnormal ECGs in Canine and Feline Patients | PDF",1791935842]