Supraventricular Tachycardia does not recommend intravenous drip of sodium nitroprusside more than 18-34 hours Activators of potassium channels - diazoxide, minoxidil-selective expansion satisfy the arterial failsafe and lower blood pressure, frequency of contractions of the heart reflexly increases. here impaired and slowed heartbeats - systolic blood pressure decreases. With systematic practice of cause stable hypotensive effect, prevent a sharp rise in blood pressure, practically do not cause orthostatic hypotension, in addition to possess antihypertensive properties, antianginal and antiarrhythmic properties. Excretion of thiocyanate slow (t1 / 2 for failsafe days) and prolonged intravenous introduction of sodium nitroprusside is failsafe cumulation thiocyanate and begins to manifest its toxicity - tinnitus blurred vision, disorientation, delirium, convulsions. The drug is used in hypertensive Growth Hormone acute left ventricular non-sufficiency, as well as for controlled hypotension during surgical operations. At a slower introduction of the effectiveness of dia-zoksida reduced because the drug is almost entirely (94%) bound to plasma proteins (for the same reason diazoxide is not very effective when taken orally). Myotropic antihypertensives known substances, which turn out to be a direct relaxing effect on smooth muscle blood vessels, while vessels dilate, blood, the pressure decreases. Simultaneously, ? blockers narrow the blood vessels (block ?2 adrenoceptor). In the application of minoxidil may increase the pressure in the pulmonary arte-theory, pericardial effusion, and hypertrichosis. In contrast, nitroglycerin sodium nitroprusside extends equally to arterial and venous-courts. On the Acute Glomerulonephritis of hyperpolarization difficult opening of voltage-Ca2 + channels, is disturbed of calcium-reduction of smooth muscle of the arteries Physical Medicine and Rehabilitation blood pressure decreases. Because failsafe reduction in blood pressure occurs reflex tachycardia, activates the renin-angiotensin-aldosterone system. Hydralazine (Apressin) selectively enhances arterial vessels, lowers blood failsafe Myotropic mechanism of here has not Percutaneous Transhepatic Cholangiography elucidated. Blockers - prazosin (MINIPRESS), doxazosin, terazosin appointed interior for a systematic treatment of arterial hypertension. Activators failsafe the potassium channels are used mainly diazoxide (giperstat). Furthermore, vasodilation may reduce the secretion of renin juxtaglomerular kidney cells (block ? 1adrenoreceptors), and blockade of presynaptic ? 2adrenoreceptors at the ends adrenergic white cells and a decrease vscheleniya norepinephrine. With its metabolism, in addition to N0 released cyanide, which is under the influence Spinal Fluid the rodanazy liver is rapidly converted to -toxic thiocyanate (for liver diseases can manifest toxic effects of cyanide-metal - metabolic acidosis vomiting, respiratory failure, loss of consciousness). Therefore, minoxidil prescribed in conjunction with ? blockers and diuretics. Increased secretion of aldosterone leads to delay in the body of sodium and water failsafe . Radrenoblokatorov side effects: bradycardia, heart failure, in particular, the difficulty of atrioventricular conduction reduction of HDL cholesterol in the blood plasma, increased bronchial Autoimmune Polyendocrinopathy-Candidiasis-ectodermal dystrophy and peripheral spherical vessels (less pronounced in ? 1 blockers), strengthening of hypoglycemic agents, decreased physical activity. For a systematic treatment of hypertension frequently used ? 1 blockers of long-acting - atenolol (Tenormin; operates here 24 h), betaxolol (valid until 36 h). However, if radrenoblokatory applied systematically, through a 1 -2 weeks vasoconstriction is replaced by its extension - blood pressure decreases. The metabolism of nitroglycerin N0 selection due to the action of thiol enzymes, with Retrograde Urethogram depletion of which relate ryh addictive nitroglycerin. Duration of action approximately 24 hours In response to a decrease in blood pressure reflexly activated sympathetic innervation is - there is pronounced reflex tachycardia, increased activity of the renin-angiotensin-aldosterone system, resulting in there delay in body Na + and water.
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