Search results
Results From The WOW.Com Content Network
In medicine, nitroglycerin is probably most commonly prescribed for angina pectoris, a painful symptom of ischemic heart disease caused by inadequate flow of blood and oxygen to the heart and as a potent antihypertensive agent. Nitroglycerin corrects the imbalance between the flow of oxygen and blood to the heart and the heart's energy demand. [35]
The vasodilatory actions of nitric oxide play a key role in renal control of extracellular fluid homeostasis and is essential for the regulation of blood flow and blood pressure. [51] NO also plays a role in erection of the penis and clitoris. [52] Nitric oxide also acts on cardiac muscle to decrease contractility and heart rate. NO contributes ...
When the blood flow to your heart is blocked entirely, ... Nitroglycerin. ... Cardiovascular disease is a catchall term for any condition that affects the heart or blood vessels. It can have many ...
Nitrates, like nitroglycerin, dilate blood vessels, which is beneficial against myocardial ischemia in two ways: By increasing blood flow in the coronary arteries and the amount of oxygen that arrives to heart muscle; and by relaxing all blood vessels in the body, thereby reducing the workload that heart needs to produce against them and the ...
These changes in blood flow may play a role in the development of headaches. Still, experts aren’t entirely clear about why Viagra and similar drugs trigger headaches in so many men. dragana991 ...
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 or due to the recreational use of cocaine.
It does this by activating an enzyme found in the muscle cells of the blood vessels; this, in turn, signals the body to relax or widen blood vessels (a process called vasodilation), which lowers ...
Flow-mediated dilation (FMD) refers to dilation (widening) of an artery when blood flow increases in that artery. [1] [2] The primary cause of FMD is release of nitric oxide by endothelial cells. [1] To determine FMD, brachial artery dilation following a transient period of forearm ischemia is measured using ultrasound. [3]