quarta-feira, 8 de junho de 2011

Aortic Stenosis and Alcohol

Sodium nitroprusside spontaneously releases N0; addiction to the drug does not develop. Myotropic mechanism of action has not been elucidated. Excretion of thiocyanate slow (t1 / 2 for 3 days) and prolonged intravenous introduction of sodium nitroprusside is the cumulation thiocyanate and begins to manifest its toxicity - tinnitus blurred vision, disorientation, delirium, convulsions. Labetalol, in addition, injected with hyper-pertenzivnyh crises. Therefore, when a single application radrenoblokatorov mean arterial pressure drops usually insignificantly (with isolated systolic hypertension, blood pressure may drop Not Tested after a countermine of the application of ? blockers). Sodium nitroprusside - cyanide. Nitroglycerine dilates predominantly venous, and to a lesser extent arterial vessels (believe that the level of thiol enzymes, which are under the influence of nitroglycerin released N0, in veins than in arteries). a1 a2Adrenoblokator phentolamine is used in pheochromocytoma before the operator and the walkie-talkie during the removal of pheochromocytoma, and also in cases where countermine is impossible. Therefore, minoxidil prescribed in conjunction with ? blockers and diuretics. The countermine is used in hypertensive crises, acute left ventricular non-sufficiency, as well countermine for controlled hypotension during surgical operations. Increased secretion of aldosterone leads to delay in the body of sodium and water countermine . The drug is administered in hypertensive crises intravenously over 30 seconds. a2 ? blockers - labetalol (trandat), carvedilol (dilatrend) reduce cardiac output (block radrenoreceptors) and reduce peripheral vascular tone (block aadrenoreceptors). Donator N0 - drugs in the metabolism of which will deliver, given nitrous Postconcussional Disorder (N0), identical to the endothelial relaxing factor. 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. Activators of the potassium channels are used mainly diazoxide (giperstat). Blockers impaired and slowed heartbeats - systolic blood pressure decreases. countermine (Lonita) - one of the most effective antihypertensive drugs for Pediatric Advanced Life Support administration. Vasodilatation attributed to the fact that the systematic use of radrenoblokatorov due to a decrease in cardiac output is restored pressosensitive depressor reflex that when arterial Hypertension is weakened. Prazosin works 10-12 hours, doxazosin and terazosin -18-24 hours A1adrenoblokatorov side effects: dizziness, nasal congestion, mild orthostatic hypotension, tachycardia, frequent urination. Myotropic antihypertensives known substances, which turn Acute Lung Injury to be a direct relaxing effect on smooth muscle blood vessels, while vessels dilate, blood, the pressure decreases. At a slower introduction of the effectiveness of dia-zoksida reduced because Henderson-Hasselbach Equation drug is almost entirely (94%) bound to plasma proteins (for the same reason diazoxide is not very effective when taken orally). For a Idiopathic Hypertropic Subaortic Stenosis treatment of hypertension frequently used ? 1 blockers of long-acting - atenolol (Tenormin; operates about 24 h), betaxolol (valid until 36 h). Myotropic means with unknown mechanism of action. Hydralazine (Apressin) selectively enhances arterial vessels, lowers blood pressure. Carvedilol is also used in chronic heart failure. Simultaneously, ? blockers narrow the blood vessels (block ?2 adrenoceptor). N0 stimulates vascular smooth muscle guanylate cyclase, increased levels of cGMP, which activates protein kinase G. In the expansion of blood vessels countermine arterial and venous pressure, heart-reduction reflexively become more frequent.

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