Variant angina and coronary artery spasm: the clinical spectrum, pathophysiology, and management.

@article{Kusama2011VariantAA,
  title={Variant angina and coronary artery spasm: the clinical spectrum, pathophysiology, and management.},
  author={Yoshiki Kusama and Eitaro Kodani and Akihiro Nakagomi and Toshiaki Otsuka and Hirotsugu Atarashi and Hiroshi Kishida and Kyoichi Mizuno},
  journal={Journal of Nippon Medical School = Nippon Ika Daigaku zasshi},
  year={2011},
  volume={78 1},
  pages={4-12}
}
Variant angina is a form of angina pectoris that shows transient ST-segment elevation on electrocardiogram during an attack of chest pain. Ischemic episodes of variant angina show circadian variation and often occur at rest from midnight to early morning. Ischemic episodes also occur during mild exercise in the early morning. However, they are not usually induced by strenuous exercise in the afternoon. Other important clinical features of variant angina include the high frequency of… CONTINUE READING
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