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Palpitation is feeling ones own heart beat. The heart rate can be normal, increased or even reduced. Tachycardia on the other hand is increased heart rate. It may or may not be associated with palpitation. Heart rate above 100 beats per min is tachycardia
The Heart as a whole does not rest between beats. It is a portion that relaxes when the other chambers still functions and vice versa.
Well smokers heart beats faster but their heart rate is lower...On the other hand nonsmokers heart beats faster but it depends if their resting heart rate is higher....maybe they do drugs or they have other symptoms that is not good for their heart...even some medicine's are bad for you're heart.
The average resting rate is 50 beats a minute. Incorrect. The average resting heart rate is 70 beats per minute. You might find a heart rate of 50 beats per minute in individuals who are runners or those who engage in other cardiovascular exercise on a regular basis.
Your heart has the ability to change heart rate at will during periods that require it to. For example, during physical exertion, your heart rate will increase to meet the blood-oxygen demand your body needs to keep going. When you sleep, your heart rate as well as metabolism slows as you do not require the same amount of energy as you do when you are awake. Defective hearts, however, have serious side effects. A heart that beats faster than is needed for an unnecessary amount of time can be damaged from the strain and have reduced performance. A heart rate that is lower than needed can dangerously lower your oxygen level used by your muscles, leaving you weak. In extreme cases, when your oxygen levels in your blood stream become too low, you can asphyxiate(suffocate) even if your breathing is normal
I think what you are feeling is your heart double beating. Meaning that every human heart has 2 beats, one to remove the blood and the other to bring it in.
Because one part beats to pump blood to the lungs and the other beats to pump blood to the rest of your body. They are really one heart with two sections.
when you sleep, your heart beats slower and your body improves faster. this happens because your body is collecting more energy from all the mussels that are motionless and are not tightened and uses it for other porpoises such as healing and growing
Cisapride has caused dangerous irregular heart-beats in a few people who took it with other medicines.
heart
One sound is the atrial beat, the other the ventricular one.
Your heart beats through out your life time. It does not stop for a minute. Nature has created very beautiful mechanism for heart to do so. Your heart take rest for some time during each beat. When your atria contracts the ventricles are taking rest and vise verse. They get rest for some additional time and the miracle continues. Heart muscle has got inherent tendency to beat rhythmically. The sinus node beats faster than other cells and decides the pace.