Silent Heart Attack Symptoms & Signs

A silent heart attack, also known as a silent myocardial infarction (MI), occurs when there is damage to the heart muscle without the typical chest pain and discomfort associated with a traditional heart attack. Unlike the dramatic symptoms of a classic heart attack, a silent heart attack can be subtle and easy to overlook. It is essential to recognize the signs and risk factors to ensure prompt medical attention and prevent potential complications.

Certain individuals are at higher risk of experiencing a silent heart attack. If you have any of the following common risk factors, it's crucial to be vigilant about observing symptoms:

• Diabetes
• Excess weight
• Family history of heart disease
• High blood pressure
• High cholesterol levels
• Smoking
• Sedentary lifestyle

Silent heart attacks may present with subtle symptoms that are often disregarded or attributed to other causes. Be aware if you experience any of the following symptoms:

Chest pain during a silent heart attack can be mild or even absent. You might feel discomfort, pressure or a squeezing sensation in your chest. Unlike the intense pain of a classic heart attack, this pain might be fleeting or intermittent, making it easier to dismiss.

During a silent heart attack, you may experience unexplained shortness of breath or feelings of breathlessness, often accompanied by dizziness. These symptoms can be mistaken for fatigue or respiratory issues.

Lightheadedness, a sensation of near-fainting, can occur due to reduced blood flow to the brain. It might be experienced as a vague feeling of being unsteady or on the brink of passing out.

Unexplained cold sweats, especially if they occur without any physical exertion or anxiety, can be indicative of a silent heart attack. They might be mistaken for a reaction to temperature changes.

Nausea or vomiting, without any apparent digestive cause, can be a subtle sign of a silent heart attack. It might be mistaken for stomach issues or a viral infection.

A feeling of overwhelming weakness or fatigue, beyond normal tiredness, could be an indication of a silent heart attack. It may be attributed to general exhaustion.

Pain or discomfort in areas such as the jaw, neck, back, shoulders or arms might be a sign of a silent heart attack. This pain may come and go or be mild, similar to muscle strain.

Yes, silent heart attack symptoms can differ in women. They might experience more atypical symptoms like nausea, back pain or jaw pain. For detailed information, refer to the Heart Disease in Women page.

If you experience any of the symptoms mentioned, particularly if you have risk factors for heart disease, seek medical attention immediately. Early intervention is crucial for preventing further damage to the heart muscle and reducing the risk of complications.

Get Heart Care at CHI Saint Joseph Health