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Review: Mechanisms of silent myocardial ischaemia: with particular reference to diabetes mellitusDepartment of Cardiology, Victoria Hospital, Kirkcaldy, UK
University of St Andrews, St Andrews, UK
University of St Andrews, St Andrews, UK
Department of Cardiology, Victoria Hospital, Kirkcaldy, UK, mark.francis{at}faht.scot.nhs.uk Angina occurs relatively late following the onset of ischaemia: after the development of left ventricular dysfunction and electrocardiographic changes. Most ischaemic episodes are not severe enough or long enough to fully stimulate the anginal pain pathway. They are therefore clinically silent. More severe and prolonged episodes of ischaemia can also be silent. Pain thresholds vary between individuals and this is due to differences in gating mechanisms at the level of the thalamus. This gating appears to be modulated by levels of endogenous endorphins, among other mechanisms. This seems to have a relation to personality type. Silent ischemia is especially common in diabetic patients, and is often due to cardiac autonomic neuropathy.
Key Words: diabetes ischaemia myocardial silent
The British Journal of Diabetes & Vascular Disease, Vol. 9, No. 3,
99-102 (2009) This article has been cited by other articles:
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