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The chapter explains why ECG monitoring is needed, how to monitor and document rhythms, and when to record serial 12-lead ECGs. It covers detection priorities, treatment implications, and the role of defibrillators and structured rhythm interpretation, emphasizing patient assessment using ABCDE and the need to avoid relying on ECG alone.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/cardiac-monitoring-electrocardiography-and-rhythm-recognition-chapter-8-learning-outcomes/372287/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/cardiac-monitoring-electrocardiography-and-rhythm-recognition-chapter-8-learning-outcomes/372287.png","ImageObject",300,407,{"name":92,"@type":93},"Jake","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-28","2026-09-23",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",11,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"Why is ECG monitoring important during and after cardiac arrest?","Question",{"text":113,"@type":114},"ECG monitoring helps identify the cardiac rhythm early so correct treatment can be started during cardiac arrest. After resuscitation, patients have a substantial risk of further arrhythmia and cardiac arrest, so monitoring is maintained until recurrence risk is very low.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"Which patients with arrhythmias or symptoms should receive cardiac monitoring?",{"text":118,"@type":114},"Patients at risk include those with persistent arrhythmia linked to structural heart disease, chest pain, heart failure, reduced consciousness, or shock. Unexplained syncope—especially during exercise—syncope with structural heart disease, or syncope with an abnormal ECG (notably prolonged QT) should prompt cardiac monitoring and expert cardiovascular assessment.",{"name":120,"@type":111,"acceptedAnswer":121},"What are the key limitations of monitoring when trying to recognize rhythms or myocardial ischaemia?",{"text":122,"@type":114},"Single-lead ECG monitoring is not reliable for detecting myocardial ischaemia such as ST segment depression. Monitoring alone may not always allow accurate rhythm recognition, so documenting the arrhythmia is important for future reference; serial 12-lead ECGs are recommended for chest pain suggestive of acute coronary syndrome.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},372287,1790363032,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":140,"language":141,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":142,"faqs":143,"seo_title":144,"seo_description":67,"update_tm":145,"read_time":146},962084928904,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Cardiac Monitoring, Electrocardiography, and Rhythm Recognition  \nCHAPTER 8  \nLearning outcomes  \n􀀄􀀉 􀀍􀀈􀀆􀀇􀀊􀀋􀀌􀀅􀀈􀀆􀀃  \n􀀁 The reasons for ECG monitoring  \n􀀁 How to monitor the ECG  \n􀀁 The origin of the ECG  \n􀀁 The importance of recording the ECG  \n􀀁 The cardiac rhythms associated with cardiac arrest  \n􀀁 How to identify other common arrhythmias  \nIntroduction  \nDuring cardiac arrest, identification of the cardiac rhythm will help to determine the correct treatment. Establish cardiac monitoring as soon as possible during cardiac arrest. In many patients who have been resuscitated from cardiac arrest there is a substantial risk of further arrhythmia and cardiac arrest. Maintain cardiac monitoring in people who have been resuscitated from cardiac arrest until you are confident that the risk of recurrence is very low.  \nSome patients present with an arrhythmia that may lead to cardiac arrest or other serious deterioration in their condition. Early detection and treatment of the arrhythmia may prevent cardiac arrest in some patients and prevent life-threatening deterioration in others. Patients at risk include those with persistent arrhythmia associated with structural heart disease, chest pain, heart failure, reduced conscious level or shock. In all patients with persistent cardiac arrhythmia at risk of deterioration, establish cardiac monitoring and whenever possible record a goodquality 12-lead ECG. Monitoring alone will not always allow accurate rhythm recognition and it is important to document the arrhythmia for future reference if required.  \nSome people experience symptoms (usually syncope) caused by an intermittent cardiac arrhythmia that, if not documented and treated, could lead to cardiac arrest or sudden death. However, the arrhythmia may not be present at the time of initial assessment. In people who present with syncope undertake careful clinical assessment and record a 12-lead ECG. People who have experienced uncomplicated faints, situational syncope (such as cough syncope or micturition syncope) or syncope due to orthostatic hypotension do not require cardiac monitoring and do not usually require hospital admission. In those who have had unexplained syncope, especially during exercise, those who have had syncope  \nand have evidence of structural heart disease, and those who have had syncope and have an abnormal ECG (especially a prolonged QT interval) start cardiac monitoring and arrange further expert cardiovascular assessment.  \nSingle-lead ECG monitoring is not a reliable technique for detecting evidence of myocardial ischaemia (ST segment depression) . Record serial 12-lead ECGs in people experiencing chest pain suggestive of an acute coronary syndrome.  \nDuring cardiac arrest, recognition of ventricular fibrillation/pulseless ventricular tachycardia (VF/VT) as shockable rhythms is crucial to the delivery of effective treatment. Automated external defibrillators (AEDs) and shock advisory defibrillators (SADs) can identify these rhythms reliably by electronic analysis. If a shockable rhythm is present, the defibrillator will charge to the appropriate energy level and instruct the operator that a shock is required. The introduction of AEDs has enabled resuscitation from VF/VT to be achieved by people who do not have skill in rhythm recognition, both in hospitals and in the community.  \nThe accurate analysis of some cardiac rhythm abnormalities requires experience and expertise; however, the non-expert can interpret most rhythms sufficiently to identify the appropriate treatment. The main priority is to recognise that the rhythm is abnormal and that the heart rate is inappropriately slow or fast. Use the structured approach to rhythm interpretation, described in this chapter, to avoid errors. The need for immediate treatment will be determined largely by the effect of the arrhythmia on the patient rather than by the nature of the arrhythmia. When an arrhythmia is present, first assess the patient (use the ABCDE approach","cbCaiflFYwxMRHuM","https://ap.wps.com/l/cbCaiflFYwxMRHuM","pdf",621387,18,"English","# Learning outcomes\n## The reasons for ECG monitoring\n## How to monitor the ECG\n## The origin of the ECG\n## The importance of recording the ECG\n## The cardiac rhythms associated with cardiac arrest\n## How to identify other common arrhythmias\n# Introduction\n# Techniques for ECG monitoring\n## Cardiac monitors\n## How to attach the monitor","[{\"question\":\"Why is ECG monitoring important during and after cardiac arrest?\",\"answer\":\"ECG monitoring helps identify the cardiac rhythm early so correct treatment can be started during cardiac arrest. After resuscitation, patients have a substantial risk of further arrhythmia and cardiac arrest, so monitoring is maintained until recurrence risk is very low.\"},{\"question\":\"Which patients with arrhythmias or symptoms should receive cardiac monitoring?\",\"answer\":\"Patients at risk include those with persistent arrhythmia linked to structural heart disease, chest pain, heart failure, reduced consciousness, or shock. Unexplained syncope—especially during exercise—syncope with structural heart disease, or syncope with an abnormal ECG (notably prolonged QT) should prompt cardiac monitoring and expert cardiovascular assessment.\"},{\"question\":\"What are the key limitations of monitoring when trying to recognize rhythms or myocardial ischaemia?\",\"answer\":\"Single-lead ECG monitoring is not reliable for detecting myocardial ischaemia such as ST segment depression. Monitoring alone may not always allow accurate rhythm recognition, so documenting the arrhythmia is important for future reference; serial 12-lead ECGs are recommended for chest pain suggestive of acute coronary syndrome.\"}]","Cardiac Monitoring, Electrocardiography, and Rhythm Recognition - Chapter 8 - Learning outcomes | PDF",1790194161,45]