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With a hypertensive crisis, the risk of carbamazepine pills life-threatening complications (stroke, subarachnoid hemorrhage, myocardial infarction, aortic aneurysm rupture, pulmonary edema, acute renal failure, etc.) increases significantly.
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Typically, a hypertensive crisis develops against the background of diseases that occur with arterial hypertension, but it can buy tegretol online occur without a previous persistent increase in blood pressure. Hypertensive crises occur in approximately 30% of hypertensive patients. They are the most common. In the presence of the above conditions, emotional arousal, meteorological factors, hypothermia, physical activity, alcohol abuse, excessive dietary salt intake, electrolyte imbalance (hypokalemia, hypernatremia) can provoke the development of a hypertensive crisis.
A sharp increase in the tone of arterioles contributes to a pathological increase in blood pressure, which creates an additional load on the mechanisms of regulation of peripheral blood flow.
Hypertensive crisis in pheochromocytoma is caused by an increase in the level of catecholamines in the blood. In acute glomerulonephritis, we should talk about renal (decreased renal filtration) and extrarenal factors (hypervolemia) that cause the development of a crisis.
- In the case of primary hyperaldosteronism, increased secretion of aldosterone is accompanied by a redistribution of electrolytes in the body. increased excretion of potassium in the urine and hypernatremia, which ultimately leads to an increase in peripheral vascular resistance, etc.
- Thus, despite the various causes, common points in the mechanism of development of tegretol variants of hypertensive crises are arterial hypertension and dysregulation of vascular tone.
- Hypertensive crises are classified according to several principles. Taking into account the mechanisms of increasing blood pressure, hyperkinetic, hypokinetic and eukinetic types of hypertensive crisis are distinguished.
- The mechanism of development of a hypokinetic crisis is associated with a decrease in cardiac output and a sharp increase in peripheral vascular resistance, which leads to buy carbamazepine online increase in diastolic pressure.
- Hyperkinetic crises are characterized by an increase in cardiac output with normal or reduced peripheral vascular tone - in this case, an increase in systolic pressure occurs.
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Eukinetic hypertensive crises develop with normal cardiac output and increased peripheral vascular tone, which entails a sharp jump in both systolic and diastolic pressure.