NDLI: Fluctuations in the amplitude of ST-segment elevation in vasospastic angina

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Fluctuations in the amplitude of ST-segment elevation in vasospastic angina

Content Provider	Semantic Scholar
Author	Hung, Ming-Jui
Copyright Year	2017
Abstract	RATIONALE ST-segment elevation localizes an ischemic lesion to the coronary artery supplying the area of the myocardium reflected by the electrocardiographic leads. Dynamic ST-segment elevation can be due to severe transmural ischemia secondary to a thrombus, vasospasm, or a tightly fixed coronary artery lesion or a combination of these situations. PATIENT CONCERNS In this study, we report on two patients with angina who had fluctuations in ST-segment amplitude on serial electrocardiograms. The amplitude of ST-segment elevation varied between 1-20 mm. DIAGNOSES Vasospastic angina (VSA) was diagnosed based on electrocardiography and coronary angiography. INTERVENTIONS Calcium antagonists were prescribed for both patients. OUTCOMES No recurrent VSA was noted during outpatient follow-up. LESSONS VSA can be associated with fluctuations in the amplitude of ST-segment elevation, indicating dynamic coronary vasospasm in different locations and extensions in patients with VSA.
Starting Page	24
Ending Page	31
Page Count	8
File Format	PDF HTM / HTML
PubMed reference number	28296760v1
Alternate Webpage(s)	https://doi.org/10.1097/MD.0000000000006334
DOI	10.1097/MD.0000000000006334
Journal	Medicine
Volume Number	96
Language	English
Access Restriction	Open
Subject Keyword	Angina Pectoris Angina Pectoris, Variant Calcium Coronary Artery Vasospasm Coronary angiography Electrocardiography Myocardial Ischemia Myocardium Patients Thrombosis Vasospasm, Intracranial angiogram
Content Type	Text
Resource Type	Article

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