Knowing the signs of having a heart attack can literally save your life. There are the classic signs such as chest pain or pressure which is the number one signs as well as jaw pain, sweating, heartburn, shortness of breath, jaw pain, toothache, headache, and nausea and vomiting. Women also often have the signs of lightheadedness,
nausea,
extreme fatigue,
fainting,
dizziness, or
pressure in the upper back.
Heart attack is the number one killer of both men and women and involves death of the cardiac muscle. If you feel you might be having a heart attack, always call emergency services immediately. Your life could depend on it.
Risk factors for heart attacks include high blood pressure so it is important to keep that under control.
https://www.medicinenet.com/heart_attack_symptoms_and_early_warning_signs/article.htm
https://www.medicinenet.com/heart_attack_in_women_symptoms_and_signs/symptoms.htm