Heart : official journal of the British Cardiac Society
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Randomized Controlled Trial Comparative Study Clinical Trial
Nitrate induced coronary vasodilatation: differential effects of sublingual application by capsule or spray.
Sublingual nitroglycerin (glyceryltrinitrate, GTN) capsules or isosorbide dinitrate (ISDN) spray are routinely used to treat anginal attacks and to vasodilate maximally the epicardial coronary arteries during coronary angiography. ⋯ Sublingual ISDN spray may be more efficacious than sublingual GTN capsules in certain patients with anginal attacks. ISDN spray should be preferred over capsules in coronary angiographic procedures.