The implications can be profound. A relative may feel perfectly healthy. A child may run and play normally. A routine physical examination may reveal nothing unusual. Yet that person may carry the same inherited susceptibility to a potentially dangerous arrhythmia. In this family, one cardiac arrest ultimately led to recognition of an inherited condition across three generations. That changes the purpose of diagnosis. We are no longer simply trying to explain why one patient\u2019s cardiac arrest occurred. We have an opportunity to identify another person at risk before the first serious event.<\/p>\n
It matters when symptoms occur<\/p>\n
This case also illustrates an important principle in evaluating young athletes: the circumstances surrounding a fainting episode matter. Fainting is common in adolescents, and most episodes are not caused by dangerous heart disease. Loss of consciousness during exercise, however, deserves particular attention. Exertional palpitations, unexplained seizure-like episodes, recurrent dizziness with exercise, and a family history of unexplained sudden death are also important warning signs.<\/p>\n
CPVT demonstrates why. The electrical abnormality may not be apparent while a patient is sitting quietly in a physician\u2019s office. Sometimes the important question is not simply what the resting ECG looks like, but what happens to the heart rhythm when the heart rate and adrenaline level rise. Exercise testing can be particularly valuable because it may reveal ventricular arrhythmias that are absent at rest and can help assess response to treatment over time. For a young athlete with concerning symptoms, understanding when those symptoms occur can be as important as understanding the symptoms themselves.<\/p>\n
Survival begins where the cardiac arrest happens<\/p>\n
There is another lesson from this young woman\u2019s story that should not be overshadowed by the eventual diagnosis. Before specialized cardiac evaluation, genetic testing, medication, or an implanted defibrillator could help her, she had to survive the initial cardiac arrest. She survived because people around her recognized the emergency and acted.<\/p>\n
Sudden cardiac arrest is extraordinarily time-sensitive. Schools and athletic programs should have emergency action plans that allow rapid recognition of cardiac arrest, activation of emergency medical services, immediate cardiopulmonary resuscitation, and prompt access to an automated external defibrillator (AED). Simply having an AED somewhere on a school campus is not enough. It must be readily accessible, and coaches, teachers, and athletic personnel should know how to respond. Emergency plans should be established and practiced before an emergency occurs. The response at this athletic event gave a young woman something that even the most advanced medical care cannot replace once it is lost: time. It allowed us to determine why her heart had stopped.<\/p>\n
Treatment is more than a defibrillator<\/p>\n
For patients with CPVT, preventing another event requires ongoing management. Treatment may include medications that reduce adrenergic stimulation of the heart, additional antiarrhythmic therapy when appropriate, and, in selected patients, an implantable cardioverter-defibrillator. But management extends beyond medications and devices. Exercise assessment, ongoing rhythm evaluation and individualized counseling remain important. For young patients, these discussions also involve school, sports, physical activity, family life and the understandable desire to live as normally as possible while managing a potentially serious inherited condition. The goal is not simply to treat an abnormal rhythm. It is to reduce risk while helping young people and their families understand the condition and continue living as fully and safely as possible.<\/p>\n
Looking beyond the first patient<\/p>\n
Physical activity has enormous cardiovascular, psychological, and social benefits, and sudden cardiac arrest in young athletes is uncommon. The lesson from this family is not that children should fear participating in sports. The lesson is that certain warning signs deserve attention. A child who collapses during exercise warrants careful evaluation. Do not automatically dismiss palpitations, dizziness, or seizure-like activity associated with strenuous exercise. A family history of unexplained sudden death should prompt additional questions. And a normal resting ECG does not necessarily end the evaluation when the clinical history remains concerning.<\/p>\n
One teenage athlete experienced a cardiac arrest during a track event and survived because people around her acted. Her evaluation identified an inherited rhythm disorder. Screening then identified the same condition in her mother and two siblings. Years later, screening identified the familial condition in her daughter\u2014before a cardiac arrest ever occurred. What began as an effort to save one young athlete ultimately became an opportunity to identify cardiovascular risk across three generations of one family. When an inherited rhythm disorder is identified in one child, the diagnosis may be only the beginning. The greater opportunity is to identify the next person at risk before the first life-threatening event ever occurs.<\/p>\n
ReferencesPriori SG, Wilde AA, Horie M, et al. HRS\/EHRA\/APHRS expert consensus statement on the diagnosis and management of patients with inherited primary arrhythmia syndromes.\u00a0Heart Rhythm. 2013;10(12):1932\u20131963.Stiles MK, Wilde AAM, Abrams DJ, et al. 2020 APHRS\/HRS expert consensus statement on the investigation of decedents with sudden unexplained death and patients with sudden cardiac arrest, and of their families.\u00a0Heart Rhythm. 2021;18(1):e1\u2013e50.Wilde AAM, Semsarian C, M\u00e1rquez MF, et al. European Heart Rhythm Association\/Heart Rhythm Society\/Asia Pacific Heart Rhythm Society\/Latin American Heart Rhythm Society expert consensus statement on the state of genetic testing for cardiac diseases.\u00a0Europace. 2022;24(8):1307\u20131367.Lampert R, Chung EH, Ackerman MJ, et al. 2024 HRS expert consensus statement on arrhythmias in the athlete: Evaluation, treatment, and return to play.\u00a0Heart Rhythm. 2024.Link MS, Myerburg RJ, Estes NAM III. Eligibility and disqualification recommendations for competitive athletes with cardiovascular abnormalities: Task Force 12: Emergency action plans, resuscitation, cardiopulmonary resuscitation, and automated external defibrillators.\u00a0Circulation. 2015;132:e334\u2013e338. <\/p>\n","protected":false},"excerpt":{"rendered":"The implications can be profound. A relative may feel perfectly healthy. A child may run and play normally.…\n","protected":false},"author":2,"featured_media":930565,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[49,48,84],"class_list":["post-930564","post","type-post","status-publish","format-standard","has-post-thumbnail","category-health","tag-ca","tag-canada","tag-health"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/930564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/comments?post=930564"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/930564\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media\/930565"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media?parent=930564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/categories?post=930564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/tags?post=930564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}