What is beat?
What Does beat Mean
It is called a beat to the beat that causes the reciprocating movement of contraction and dilation of the heart . The beat can be felt in the chest or in the tissues that cover the arteries.
To pump blood , the heart makes a continuous movement of systole (contracts to expel blood) and diastole (dilates to allow fluid to enter), as do the arteries. This action has repercussions as blows that are possible to detect by touch, with the sight and especially through the ear, especially in the pectoral area. These beats are the heartbeats.
It can be said that the heartbeat reveals that the heart is working. When a person dies, their heart stops beating.
The regular succession of contraction and dilation is known as the heart rate , which must be kept within certain parameters to be considered normal. This means that the heart performs a certain number of beats per minute that is taken as standard or healthy: if more or fewer beats are detected, it may be a symptom of some type of disorder or health problem , although it depends on whether the subject you are at rest or doing physical activity.
When the heartbeat is too fast, and there are more than a hundred beats per minute, it is a picture of tachycardia . On the other hand, if the heartbeat is very slow, it is called bradycardia .
Tachycardia, therefore, is the increase in the frequency of the heartbeat that represents too high a speed in the contraction of the ventricles. It is important to note that the number of beats per minute associated with tachycardia requires that the subject be in a state of rest.
With regard to the causes of tachycardia, we can distinguish between physiological and pathological. In the first group are physical efforts and emotions of great intensity, such as fear, stress, anxiety or nervousness due to issues that are very difficult to overcome. When, on the other hand, it is a pathological origin, it can be linked to insomnia, anemia, bleeding, depression , infection or kidney failure, among other problems.
On the other hand we have bradycardia , which at first glance is the opposite situation to tachycardia: it supposes a number of beats per minute less than sixty or that the sinus node stops acting and instead the atrioventricular node arises, to emit a a minimum of forty-five and a maximum of fifty-five beats per minute.
Bradycardia generally indicates underlying heart disease, although it may be a symptom of a brain injury. However, other times it may be a sign that alerts us to an imminent heart attack. It does not matter if the subject is an athlete or a young person, an evaluation is recommended to rule out injuries of chemical or infectious origin and also congenital problems.
The alteration of the habitual rhythm of the heartbeat is known as arrhythmia . Among the most common causes are low potassium, a heart attack, congenital diseases, an enlarged heart, and hyperthyroidism. Regarding its symptoms, we can mention chest pain, fainting, vertigo, dizziness, paleness, shortness of breath and sweating.
Arrhythmia includes tachycardia and bradycardia, but also an irregular rhythm of beats per minute. Broadly speaking, we can say that one of the options is that it does not cause any damage, while it can also be a dangerous situation that must be treated urgently or the sign of some other heart problem.