What is the heart rate when heart attack occurs?
A friend of mine is having some strange heart rates when idle and I am uninformed of the topic so does heart rate show some changes when there are heart attack symptoms?
Your heart rate changes a lot depending on how busy you are and the temperature of the air around you. Your heart rate may drop or accelerate as a result of a heart attack.
Similarly, following a heart attack, your blood pressure may rise or fall based on factors such as the type of heart tissue harmed during the event or whether certain hormones raised your blood pressure. Click here to read more on how a heart attack affects blood pressure here.
A person's resting heart rate might sometimes indicate an increased risk of a heart attack. It's one of several major risk factors, some of which you can control and others which are out of your hands.
Knowing your personal risk factors and the warning signals of a heart attack might help you avoid the potentially fatal effects of a heart attack.
For an adult, a typical or healthy resting heart rate is 60 to 100 beats per minute. The more efficient your heart is in pumping, the lower your heart rate is.
During activity, your heart rate will increase. Your heart rate rises during activity to fulfil the demand for oxygenated blood by your muscles. Because demand isn't as high at rest, your heart rate lowers. Your heart rate slows down when you sleep.
During a heart attack, the heart rate is elevated. Because one or more arteries supplying the heart muscle are clogged or spasming and unable to deliver an adequate flow of blood during a heart attack, your heart muscle receives less blood. Alternatively, the cardiac demand (the amount of oxygen required by the heart) exceeds the cardiac supply (the amount of oxygen accessible to the heart).
Certain drugs can cause your heart rate to slow down. If you're using a heart-slowing drug, such as a beta-blocker for heart disease, your heart rate may remain slow throughout a heart attack. A heart attack may do nothing to boost your heart rate if you have bradycardia, a type of cardiac rhythm disorder (arrhythmia) in which your heart rate is always slower than normal.
Because certain types of heart attacks impact the electrical tissue cells (pacemaker cells) of the heart, they can cause an unnatural slowing of the heart rate.
Your heart rate may increase if you have tachycardia. If you have tachycardia, in which your heart beats unusually rapidly all of the time or frequently, this pattern may continue throughout a heart attack. Alternatively, certain types of heart attacks might induce an increase in heart rate.
Finally, if you have another illness that causes your heart to beat rapidly, such as sepsis or infection, the stress on your heart may be caused by that condition rather than the obstruction in blood flow.
Many people experience tachycardia without experiencing any other symptoms or consequences. However, if you have a quick resting heart rate on a regular basis, you should have your cardiovascular health checked.
According to a research, those who arrive at a hospital with a heart attack with a raised heart rate have a higher probability of dying.
|Oxford Academic https://academic.oup.com/ehjacc/article/7/2/149/5932661