(1) angina onset avoid upright medicated. Heart attacks in immediately when sublingual contain 1 slice three nitroglycerin, or chew the sublingual containing, including medicine cannot stand, lest suddenly syncope and fall, should sit on wide chair or stool. & NBSP; & NBSP; (2) accompanied by hypotension, bradycardia, lung & hellip; & hellip; (1) angina onset avoid upright medicated. Heart attacks in immediately when sublingual contain 1 slice three nitroglycerin, or chew the sublingual containing, including medicine cannot stand, lest suddenly syncope and fall, should sit on wide chair or stool.
(2) accompanied by hypotension, bradycardia, lung, chronic bronchitis, cardiac insufficiency, the patient of coronary heart disease, asthma jiyong or disable propranolol. Because both fall blood pressure and propranolol anti-arrhythmic role, is suitable only for hypertension or tachycardia coronary heart disease patients.
(3) long-term use of propranolol the patient of coronary heart disease of cardiac arrest, not medicine, otherwise cause & ldquo; Bounce & rdquo; , aggravate angina even happen myocardial infarction.
(4) tachycardia attentively treasure, those who avoid bradycardia heart not be live shot.
(5) comorbid liver disease patient of coronary heart disease, avoid to Ann, experience heart Schwartz, result flat, thiazide horse's mind, etc.
(6) avoid presumption optional combination. Clinically found, propranolol merge different cardiac calm, can happen bradycardia, low blood pressure, heart failure, or even sudden cardiac arrest; And the yankees glutinosa and verapamil share, then can happen sudden death.
(7) avoid subtract cool casual dose. Some patients heal, without authorization, added amount swiftly, but the result will be more haste, less speed, such as nitroglycerin is to alleviate angina, quick cure for one individual without success, containing serve in a short time served several pieces for or even 10 more pieces, it not only curative effect not beautiful, but severe pain. Because, arbitrary increase nitroglycerin quantity, but also not only resistant directly causing coronary spasm. (8) with glaucoma patients, careful or jiyong three nitroglycerin.
