Heart Attack Symptoms that Aren’t Chest Pain

Not every cardiac event results in dramatic, easily recognizable symptoms. In fact, heart care specialists acknowledge the occurrence of silent heart attacks. A silent heart attack causes only minimal symptoms, unrecognizable symptoms, or sometimes no symptoms at all. Unfortunately, the lack of severe chest pain does not mean the heart has not sustained serious damage. If you or a loved one suffers a silent heart attack, being able to identify the subtle symptoms facilitates life-saving interventions. At the emergency room of Los Robles Hospital and Medical Center, our heart care specialists are always available to respond to cardiac emergencies. This featured video offers a brief glimpse as to what you can expect at the emergency room.


Fatigue is one of the most commonly overlooked symptoms of a heart attack, perhaps in part because it can be attributable to many other causes. Patients may feel abnormally fatigued days or weeks before suffering a myocardial infarction or heart attack. The fatigue may occur regardless of the amount of sleep a patient gets, although heart problems can also cause sleep disturbances. This symptom may interfere with the patient’s ability to perform normal activities.

Flu-Like Symptoms

Many heart attack survivors report suffering from non-specific, flu-like symptoms. These can include cold sweats, clammy skin, lightheadedness, and dizziness. Patients may feel unusual and severe generalized weakness. Some patients become nauseated.


Indigestion is another possible symptom of a heart attack. Indigestion can encompass symptoms such as minor regurgitation, acidic taste in the mouth, abdominal discomfort, and bloating.


Discomfort in areas other than the chest can occur with a heart attack. Some patients suffer from pain or sensations of tightness in the jaw, neck, upper back, or upper abdomen. The discomfort may also extend along one or both arms.

Los Robles Hospital and Medical Center in Thousand Oaks is a Nationally Accredited Chest Pain Center and a Blue Distinction Center for Cardiac Care. These designations reflect the dedication of our heart health team to facilitating better outcomes for our cardiac patients. If you require transportation to the emergency room, please call 911 now; otherwise, you can contact our heart hospital at (877) 888-5746.

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