Cardiologist Dr Guruprasad Srinivas, director of Cardiac Rehab at Northwell Staten Island University Hospital, recently told the New York Post that so-called 'silent myocardial ischemia' is actually among the most common manifestations of coronary heart disease.
"Silent myocardial ischemia or silent heart attacks is defined as the presence of objective evidence of injury to the heart without any symptoms," he told the publication.
"While chest pain has long been considered the cardinal symptom of heart disease, it is, in fact, no symptom ('silent') that is the most common manifestation of coronary heart disease."
Dr Srinivas' views come as heart and circulatory diseases account for a quarter of all deaths in the UK, according to the British Heart Foundation.
Amidst this, Dr Lawrence Cunningham, a retired GP at UK Care Guide, further warned that subtler heart attack signs are often dismissed as indigestion or even stress.