Hyponatremia - An unusual trigger of Takotsubo cardiomyopathy
Serviço de Cardiologia, Hospital Santo António, Centro Hospitalar do Porto, Porto, Portugal.Revista portuguesa de cardiologia: orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology: an official journal of the Portuguese Society of Cardiology (Impact Factor: 0.45). 10/2011; 30(11):845-8. DOI: 10.1016/j.repc.2011.09.006
Takotsubo cardiomyopathy is an acute cardiac entity with clinical manifestations similar to myocardial infarction, accounting for 1-2% of acute coronary syndrome admissions. Its underlying pathophysiology is not yet well established. It is usually associated with acute physical or emotional stress, but the list of potential triggers has grown as the condition attracts the attention of the medical community. In order to diagnose the condition correctly and to gain new insights into it, we need to know its potential triggers as well as its clinical presentation and diagnostic criteria. We report a case of takotsubo cardiomyopathy triggered by hyponatremia.
- International journal of cardiology 11/2012; 167(3). DOI:10.1016/j.ijcard.2012.10.059 · 4.04 Impact Factor
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ABSTRACT: Takotsubo cardiomyopathy is a disorder characterized by left ventricular apical ballooning and electrocardiographic changes in the absence of coronary artery disease. While reversible in many cases, the mechanism of this disorder remains unclear. The most frequent clinical symptoms of takotsubo cardiomyopathy on admission are chest pain and dyspnea, resembling acute myocardial infarction. Here, we describe two cases of takotsubo cardiomyopathy without chest pain or dyspnea in patients on maintenance hemodialysis. The asymptomatic nature of these two cases may be due to the patients being on hemodialysis. Periodic electrocardiograms (ECG) may be helpful in screening this population for asymptomatic takotsubo cardiomyopathy and in evaluating its incidence.09/2013; 2013. DOI:10.1155/2013/640976
- American Journal of Emergency Medicine 08/2014; 32(11). DOI:10.1016/j.ajem.2014.07.030 · 1.27 Impact Factor
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