Assertion: heart attack's symptom | /r/HasProperty | signs of a heart attack
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Source sentences:
text: That’s because many symptoms of anxiety—like chest pain, shortness of breath, and heart palpitations—are also signs of a heart attack, especially if you’re not in the middle of dealing with a stressful situation that might normally cause these kinds of symptoms.
text: These symptoms could be the signs of a heart attack (also called myocardial infarction or MI) and immediate treatment is essential.