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Updated: Feb 28, 2026

Measurement of Myocardial Lactate Production for Diagnosis of Coronary Microvascular Spasm
Published on: September 17, 2021
Coronary artery spasm: Current knowledge and residual uncertainties
Massimo Slavich1,2, Riyaz Suleman Patel1,3
1Dept. of Cardiology, The Heart Hospital, University College London NHS Trust, London, UK.
Insights
Coronary spasm can cause sudden cardiac death and myocardial infarction, even without visible blockages. This review discusses diagnosis, treatment, and management strategies for high-risk patients to prevent premature death.
Area of Science:
- Cardiology
- Vascular Medicine
- Pathophysiology
Background:
- Myocardial ischemia typically stems from supply-demand mismatch due to atherosclerosis or thrombosis.
- Coronary spasm presents as transient ischemia without apparent coronary pathology.
- Coronary spasm can lead to severe outcomes including infarction, LV dysfunction, arrhythmias, and sudden cardiac death.
Purpose of the Study:
- To address common questions surrounding coronary spasm.
- To review evidence for pharmacological treatment of coronary spasm.
- To discuss strategies for identifying and managing high-risk patients to reduce sudden cardiac death.
Main Methods:
- Literature review focusing on diagnosis, pathology, and management of coronary spasm.
- Exploration of pharmacological treatment options.
- Discussion of risk stratification and management for high-risk individuals.
Main Results:
- Coronary spasm is a significant cause of acute myocardial ischemia.
- Controversies persist regarding diagnosis, pathology, and management.
- Evidence for pharmacological treatments and risk reduction strategies is examined.
Conclusions:
- Coronary spasm requires careful consideration due to its potential for severe outcomes.
- Further research and standardized approaches are needed for optimal diagnosis and management.
- Effective strategies can mitigate the risk of sudden cardiac death in affected patients.
Abstract:
Myocardial ischaemia results from a direct mismatch between oxygen supply and demand, commonly arising as a result of coronary atherosclerosis, microvascular dysfunction or acute thrombosis and luminal obstruction. However, transient ischaemia may also occur due to coronary spasm leading to acute and unexpected myocardial ischaemia without obvious visible coronary pathology. Aside from symptoms of chest pain, coronary spasm can cause infarction, LV impairment, promote life threatening arrhythmias and ultimately sudden cardiac death. While therapeutic options are available, controversies exist around diagnosis, pathology, management and prognosis. This review summarises some of the common questions in this area. In particular we explore and discuss the available evidence for the pharmacological treatment of coronary spasm, and strategies for identification and management of very high risk patients to try and reduce the incidence of sudden premature death.
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