in fact, use nitroglycerin which have knowledge greatly. Each patient of coronary heart disease should grasp nitro-glycerin using method, and safekeeping. (excerpt from "public medical")
a, nitroglycerin must be contained in sublingual
sublingual nitroglycerin for ease of containing the best administration way angina. Angina patients with acute onset of nitroglycerin will be immediately contained in under the tongue. Nitroglycerin sweetish and stimulating, including in the sublingual a burning sensation, this is one of the symbols of drugs are effective. Nitroglycerin cannot swallow, this is because the swallow nitroglycerin during absorption must pass the liver, in the liver, most of nitroglycerin is inactivated, make the efficacy is reduced greatly. And in the sublingual nitroglycerin contain many vessels under the tongue, nitroglycerin easily melt, melted into the blood of drugs, not only directly effect-acting fast, and efficacy, the living creature exploitation degree is not reduce can be as high as 80%.
2, will also be after drug chew contained in sublingual
if drugs rapidly after crashing is contained in the absorption of sublingual quicker, drugs, function also more quickly. In anginal attack immediately when the sublingual contain nitroglycerin piece. If not effective, lie between 5 minutes of continuous containing a application three times. Note: generally does not exceed 3 times, if 1 & NBSP; 5 minutes later, still no obvious effect in patients will be immediately sent to the hospital.
three, use to prevent hypotension nitroglycerin>
sublingual contain nitroglycerin should adopt the seats, the best is to rely on the sofa, cane or other wide chair. Do not advocate lie, standing, because the medicated nitroglycerin has the dilation of blood vessels role, peripharyngeal increases when the zhenjin HP by burden of aggravating heart, affect curative effect. Standing due to mind cerebral blood deficiency easy appear syncope.
nitroglycerin can make brain pressure and increased intraocular pressure, glaucoma, cerebral hemorrhage patients should be used with caution.
4, prevent accident, half an hour earlier in nitroglycerin
nitroglycerin can preventive use. Patient of coronary heart disease will certainly push at predicting or participating in large activities. But first before containing nitroglycerin. To avoid anginal attack. For example, after a meal, defecate, the patient is very easy to occur in angina. Before dinner and shit nitroglycerin mouths to prevent attacks.
five, and repeatedly open cover, easy cause nitroglycerin invalid
nitroglycerin is a kind of nitrite, overheating, see the light are extremely easy decomposition failure, should be put in brown the glass and tighten the cover airtight preservation. Nitroglycerin can put 1 & NBSP; 5 ~ 30 ℃ temperature, can also store in the refrigerator. Patient when carrying nitroglycerin close-fitting clothing, not on the dou, lest suffer temperature influence reduce efficacy.
nitroglycerin term of validity generally for 1 year, if the patient open cover from repeated daily by medicine, drug temperature, humidity and light effect, can make the valid reduced to only 3 ~ 6 months. Therefore, every time, should take nitroglycerin, quick quick opening, with cover tightly covered, carry nitro-glycerin more want change in time.
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