Clinical Research in Cardiology

, Volume 107, Issue 8, pp 729–732 | Cite as

Acute coronary syndrome due to right coronary spasm and documented lambda-like J waves

  • Manli Yu
  • Qin Zhang
  • Xinmiao Huang
Letter to the Editors


Coronary artery vasospasm is an important cause of chest pain syndromes that can lead to angina or even myocardial infarction. Prinzmetal et al. first described a syndrome of nonexertional chest pain with ST segment elevation on electrocardiography. Although coronary artery vasospasm can be suspected clinically, proof cannot usually be obtained by non-invasive means unless via cardiac catheterization. Patients with vasospastic angina are repeatedly exposed to this invasive procedure as most cardiologists suspect a coronary lesion which requires intervention. Calcium antagonists are extremely effective in treating as well as preventing coronary spasm, and may provide long-lasting relief for the patient, avoid repeated coronary angioplasty.

Lambda-like ST segment pattern was first described by Riera et al. [1] and further characterised by Gussak and Bjerregaard in their editorial [2], which resembled the Greek letter lambda, called then by Gussak ‘action potential-like’ shape....



This study was supported by the National Natural Science Foundation of China (81400287). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Cardiovasology, Changhai HospitalSecond Military Medical UniversityShanghaiChina

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