A prominent cardiologist has issued a stark warning that two persistent symptoms could be indicators of a dangerous "silent" heart attack. These cardiac events, which account for approximately one-third of all heart attacks, often occur without the dramatic, telltale signs typically associated with such medical emergencies.
The Hidden Danger of Silent Heart Attacks
Professor Tim Chico, a respected cardiologist writing for the British Heart Foundation, emphasises that silent heart attacks are surprisingly common. Their insidious nature lies in the fact that they might not be diagnosed until weeks, months, or even years after they occur. This delayed diagnosis poses a significant threat to patient health and recovery.
"They're often only diagnosed weeks, months or years afterwards, during a routine check-up, or because of ongoing symptoms, like chest pain or breathlessness," Professor Chico explained. He further noted that while some individuals cannot recall any symptoms, others may visit their doctor complaining of seemingly unrelated issues such as toothache, back pain, or a general feeling of being unwell. It is only through subsequent investigations, including electrocardiograms and blood tests, that evidence of a past silent heart attack is uncovered.
Identifying the Key Warning Signs
The two primary "ongoing" symptoms that could signal a silent heart attack are:
- Chest pain (angina): A persistent discomfort, pressure, or tightness in the chest area.
- Breathlessness: An unusual or ongoing difficulty in breathing, especially during rest or light activity.
Experts from the Cleveland Clinic add that a silent heart attack might manifest in ways that are easily mistaken for other common ailments. Individuals may feel as though they have:
- The flu
- A sore muscle in the chest or upper back
- An ache in the jaw, arms, or upper back
- Extreme fatigue
- Indigestion
The Critical Risk of Delayed Treatment
The most dangerous aspect of a silent heart attack is the delay in receiving appropriate medical care. "This means you miss out on treatments that reduce damage to the heart and the risk of having another heart attack," Professor Chico stressed. The effectiveness of these treatments is heavily dependent on how quickly they are administered following the cardiac event.
Tragically, some individuals only discover they have suffered a silent heart attack after experiencing a subsequent, more severe heart attack. This second event might have been preventable had the initial silent attack been identified and treated promptly.
High-Risk Groups for Silent Heart Attacks
Professor Chico highlighted that certain demographics are at a heightened risk:
- Elderly people: This may be due to living with various symptoms that could be mistakenly attributed to ageing rather than underlying heart problems.
- People with diabetes: Nerve damage caused by diabetes can impair sensation, meaning they may not feel the typical chest pain warning sign.
Prevention and Immediate Action
To lower the risk of any heart attack, Professor Chico advocates for a proactive approach to heart health. "The key to preventing a heart attack is having a healthy lifestyle," he stated. For those at higher risk due to conditions like high cholesterol, high blood pressure, or diabetes, he strongly recommends consulting a doctor about appropriate treatment plans.
A heart attack occurs when the blood supply to the heart is suddenly obstructed, usually by a blood clot. While the most common symptom is chest pain, the NHS cautions that symptoms can vary significantly between individuals. Some may experience shortness of breath, nausea, vomiting, or pain in the back or jaw without any chest discomfort at all.
If you experience any signs of a heart attack, you must call 999 immediately. For non-emergency concerns about heart health, individuals are advised to speak with their GP to discuss symptoms, risk factors, and potential preventative measures.



