Pressor Response

The pressor reaction is a reaction to the influence of an exogenous or endogenous factor, which is expressed by an increase in blood pressure. This can be caused by various reasons such as stress, anxiety, physical activity, eating, drinking alcohol, etc.

The pressor response plays an important role in the regulation of blood pressure. It helps the body adapt to changing environmental conditions and maintain the normal functioning of the cardiovascular system. However, if this reaction becomes excessive or persistent, it can lead to the development of hypertension and other cardiovascular diseases.

To prevent the development of hypertension, it is necessary to control stress levels and avoid excessive physical activity. It is also important to watch your diet and drink enough water. If hypertension has already developed, you should consult a doctor to prescribe treatment.

Overall, the pressure response is an important mechanism for regulating blood pressure, but its excess can lead to serious health consequences. Therefore, it is important to maintain balance and control your reactions to external factors.

Pressor reactions are changes in blood pressure in response to a certain influence of external factors (reactive hypertension) or internal changes (relative hypertension).

The etiology in most cases is physiological in nature. In the vast majority of cases in healthy people, pressor reactions occur unnoticed and last a long time, but sometimes they manifest themselves in the form of states of “sharp reaction” - transient (up to 24 hours) symptomatic hypertension, in which fluctuations in blood pressure and the appearance of complaints are associated with an increase in it immediately after exposure trigger factor.

The pressor reaction manifests itself in response to the action of physical, chemical, hormonal and other (including emotional) stimuli. The development of the reaction is primarily due to an increase in cardiac output, but the condition of the arterioles and the tone of peripheral vessels may also undergo changes. Increased vascular tone can be caused by both neurogenic influences and the effects of various chemicals on endothelial cells (for example, catecholamines, histamine, etc.)

In a healthy person, the pressor reaction occurs relatively quickly. The reflex constrictor effect of the sympathetic nervous system helps maintain normal blood pressure constantly during increased body activity. Therefore, only extremely strong exposure to exogenous (or endogenous) factors leads to the development of a true pressor response.