Study: Perceived inability to act on heart attack symptoms could signify life-threatening situation

A perceived inability to act on symptoms could signify a life-threatening situation, according to research published today in the European Journal of Cardiovascular Nursing, a journal of the European Society of Cardiology (ESC).

Most deaths from heart attack occur in the first few hours after the start of symptoms. Quick treatment is crucial to restore blood flow to blocked arteries and save lives. The time it takes for patients to interpret and respond to symptoms is the main reason for delays in getting to a hospital and the care they need.

The study enrolled 326 patients undergoing acute treatment for a first or second heart attack. Participants completed the validated questionnaire "Patients' appraisal, emotions and action tendencies preceding care-seeking in acute myocardial infarction" (PA-AMI).

Patients in the study waited a median of three hours before seeking medical help. Some delayed for more than 24 hours. So what went through their minds during that period? This study, for the first time, identified two general reactions.

A perceived inability to act had a significant impact on patients who waited more than 12 hours. These patients said: "I lost all power to act when my symptoms began"; "I did not know what to do when I got my symptoms"; "my symptoms paralyzed me"; and "I felt I had lost control of myself when I got my symptoms".

This immobilization during ongoing heart attack symptoms has not been shown or studied before. At the moment we don't know why some patients react in this way. It is possibly linked to fear or anxiety. This should be a novel element in educating people about what to do when they have heart attack symptoms."

Study author Dr Carolin Nymark, of Karolinska University Hospital, Stockholm, Sweden

Inaccurate symptom appraisal also affected those who delayed for more than twelve hours. These patients said it took a long time to understand their symptoms; they thought the symptoms would pass; they thought the symptoms were not serious enough to seek medical care; and they thought it would be difficult to seek medical care.

Conversely, patients who accurately identified their heart attack symptoms and sought medical help quickly had a wish to seek care, knew the symptoms were serious and where they should go to get help, and did not try to divert their thoughts away from the symptoms.

Our previous research has shown that some patients believe their symptoms aren't serious enough to call an ambulance. Others think the intensive care unit is closed in the middle of the night, perhaps because they do not think clearly during the event."

Dr Carolin Nymark

Warning signs of a heart attack include moderate to severe discomfort such as pain in the chest, throat, neck,back,stomach or shoulders that lasts for more than 15 minutes. It often comes with nausea, cold sweat, weakness, shortness of breath, or fear.

Another red flag is feeling you have no power to act on your symptoms. This may indicate a real health threat and the need to call an ambulance."

Dr Carolin Nymark

Dr Nymark said this new signal could be discussed in outpatient appointments for those with cardiovascular risk factors and in cardiac rehabilitation programs for heart attack survivors. The study questionnaire could be used to identify patients who previously experienced an inability to act or poor symptom appraisal.

Our findings are worrying because even a small reduction in delay would save heart muscle and lives. Reducing patient delays appears to be a complex task and we need to find innovative ways to inform and educate patients and the public.

If you have symptoms that may be caused by a heart attack, don't ignore them. Call for help immediately. It is better to be wrong about the symptoms than dead."

Dr Carolin Nymark

Source:

European Society of Cardiology

Journal reference:

Nymark, C. et al. (2019) Inability to act was associated with an extended delay prior to care-seeking, in patients with an acute myocardial infarction. European Journal of Cardiovascular Nursing. doi.org/10.1177/1474515119844654.

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