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Pharmacodynamics. Nitroglycerin causes the relaxation of vascular smooth muscles, causing arteriolar and venous dilatation. 17 It increases blood flow to the myocardium and reduces cardiac preload and afterload, decreasing myocardial wall stress and ameliorating anginal symptoms. 3,10,12 Nitroglycerin also reduces coronary artery spasm, decreasing systemic vascular resistance as well as ...
Jul 31, 2023 · Nitroglycerin is a vasodilatory drug used primarily to provide relief from anginal chest pain. It is currently FDA approved for the acute relief of an attack or acute prophylaxis of angina pectoris secondary to coronary artery disease. Off-label, non-FDA-approved uses include treatment for hypertensive urgency/emergency, coronary artery spasm, angina secondary to cocaine use, congestive heart ...
- 2023/07/31
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- Dosing: Adult
- Dosing: Pediatric
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Note:Nitronal IV solution has been discontinued in the US for more than 1 year. Note:Hemodynamic and antianginal tolerance often develop within 24 to 48 hours of continuous nitrate administration. Nitrate-free interval (10 to 12 hours/day) is recommended to avoid tolerance development; gradually decrease dose in patients receiving nitroglycerin for...
Note:Nitronal IV solution has been discontinued in the US for more than 1 year. Note: Continuous IV infusion dosing units vary by age (mcg/kg/minute or mcg/minute); extra precautions should be taken. Tolerance to the hemodynamic and antianginal effects can develop within 24 to 48 hours of continuous use. Nitrate-free interval (10 to 12 hours/day) i...
Nitronal (glyceryl trinitrate) 1 mg/mL (temporarily available in the US): To prepare a 100 mcg/mL solution: Withdraw 25 mL D5W from a 250 mL bottle of D5W and replace volume with 25 mg (25 mL) of Nitronal. To prepare a 200 mcg/mL solution: Withdraw 50 mL D5W from a 250 mL bottle of D5W and replace volume with 50 mg (50 mL) of Nitronal.
IV: Prepare in glass bottles, EXCEL or PAB containers. Adsorption occurs to soft plastic (eg, PVC); use administration sets intended for nitroglycerin. Avoid in-line IV filters that adsorb nitroglycerin. Administer via infusion pump. Intra-anal ointment: Using a finger covering (eg, plastic wrap, surgical glove, finger cot), place finger beside 1 i...
Nitroglycerin (medication) Nitroglycerin, also known as glyceryl trinitrate ( GTN ), is a vasodilator used for heart failure, high blood pressure ( hypertension ), anal fissures, painful periods, and to treat and prevent chest pain caused by decreased blood flow to the heart ( angina) or due to the recreational use of cocaine.
- C₃H₅N₃O₉
- sublingual, transdermal, by mouth, intravenous
- liver (rapid), red blood cells, vascular wall
- Nitrol, others
Nov 7, 2017 · Introduction. In this review, we detail the discovery of nitroglycerin and its early use in the treatment of angina; the history of the discovery of nitric oxide, its sources, and its roles; the mechanism of action, preparations, and hemodynamic and non-hemodynamic effects of the organic nitrates, as well as their biotransformation; and the clinical uses and adverse effects of nitrate therapy ...
- Sanjay Divakaran, Joseph Loscalzo, Joseph Loscalzo
- 10.1016/j.jacc.2017.09.1064
- 2017
- 2017/11/11
Jul 9, 2022 · Nitroglycerin, a fast-acting vasodilator, is commonly used as a first-line agent for angina in the emergency department and to manage chest pain due to acute coronary syndromes. It is also a treatment option for other disease states such as acute heart failure, pulmonary edema, and aortic dissection. Nitroglycerin is converted to nitric oxide ...
Jun 4, 2002 · In 1998, about 130 years after Alfred Nobel's invention of dynamite and the first observed clinical benefit of nitroglycerin, the Nobel Prize in Physiology or Medicine was awarded for “Nitric Oxide as a Signaling Molecule in the Cardiovascular System”. Despite these achievements, the precise molecular mechanism by which NO is generated from ...
