Electrocardiography-documented sudden cardiac death due to ventricular fibrillation in a young cat without echocardiographic evidence of severe structural heart disease

IF 0.2 4区 农林科学 Q4 VETERINARY SCIENCES
A. Hellemans, M. Skotarek, G. Mampaey, P. Smets
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引用次数: 0

Abstract

An asymptomatic three-year-old male European Domestic Shorthair cat was referred for an irregular heart auscultation. Apart from localized concentric left ventricular septal hypertrophy, echocardiography was normal. However, ventricular ectopy was observed on electrocardiography (ECG) during echocardiography. The cat died suddenly 55 minutes after the start of the subsequent Holter ECG. Analysis showed sinus rhythm interrupted by 192 single ventricular premature complexes, a ventricular couplet, two incidents of ventricular bigeminy and two runs of ventricular tachycardia (VT). The last run of VT deteriorated into ventricular fibrillation (VF) and ultimately cardiac arrest. Structural heart disease including mild feline hypertrophic cardiomyopathy or myocarditis, primary arrhythmia (channelopathy) or extra-cardiac disease were maintained as differential diagnosis. Unfortunately, a necropsy was declined leaving no definitive diagnosis available. In this case report, it is shown that VF due to ventricular ectopy is a possible cause of SCD even in asymptomatic cats with only mild echocardiographic signs of structural heart disease.
在没有超声心动图证据的严重结构性心脏病的情况下,心电图记录了一只年轻猫由于心室颤动引起的心源性猝死
一只无症状的三岁雄性欧洲家短毛猫因心脏听诊不规则而被转诊。除局部左室间隔同心性肥厚外,超声心动图正常。然而,超声心动图显示心室异位。在随后的动态心电图开始55分钟后,猫突然死亡。分析显示,窦性心律被192例单室过早复合体、1例心室联、2例心室双裂和2次室性心动过速(VT)中断。最后一次VT恶化为心室颤动(VF),最终心脏骤停。结构性心脏病包括轻度猫科动物肥厚性心肌病或心肌炎、原发性心律失常(通道病)或心脏外疾病作为鉴别诊断。不幸的是,尸检被拒绝,没有明确的诊断。本病例报告显示,即使在无症状且超声心动图仅显示轻微结构性心脏病征象的猫中,由心室异位引起的室颤也是SCD的可能原因。
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来源期刊
Vlaams Diergeneeskundig Tijdschrift
Vlaams Diergeneeskundig Tijdschrift 农林科学-兽医学
CiteScore
0.40
自引率
0.00%
发文量
29
审稿时长
>36 weeks
期刊介绍: The Vlaams Diergeneeskundig Tijdschrift (ISSN 0303-9021) is a scientific journal that is published bimonthly (six issues per year). It presents mainly clinical topics and addresses itself to two very different readerships: the local Dutch speaking veterinarians in Belgium and the Netherlands, and the international veterinary and biomedical research community. Each issue contains scientific papers either in English, or in Dutch with an English abstract.
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