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Doctor insights on: How Does Nitroglycerin Work To Relieve Chest Pain

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How does nitroglycerin work to relieve chest pain?

How does nitroglycerin work to relieve chest pain?

Nitroglycerin: Nitroglycerin relieves cardiac related chest pain by dilating the coronary arteries. These are the arteries that supply blood to the heart. Improving blood flow to heart muscle will relieve the discomfort caused by a partial blockage of the blood vessel with plaque. ...Read more

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Dr. Joshua Buckler
85 doctors shared insights

Nitroquick (Definition)

Nitroquick is a fast acting Nitroglycerin which dilates the blood vessels around the heart to relieve heart pain or "angina". It comes in both a pump spray and tablet form. There are several cautions when using this medication so always discuss with ...Read more


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I am on Imdur ER 60mg and Nitroglycerin .4mg. My BP is 80/60... I am having chest pain. Is it safe to take my nitro with that BP?

I am on Imdur ER 60mg and Nitroglycerin .4mg. My BP is 80/60... I am having chest pain. Is it safe to take my nitro with that BP?

Lying down: It is surprising to me that a 23 year old would have significant enough coronary artery disease to require these medications. Nitroglycerin will briefly lower your blood pressure more which could be detrimental. If you are lying down when you take it you may not pass out or feel as dizzy. I think you need to confirm the need for these medications with your health care provider. ...Read more

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What happens if I go to the ER with low blood pressure after taking nitrostat (pills for chest pain) will it show up in blood work?

What happens if I go to the ER with low blood pressure after taking nitrostat (pills for chest pain) will it show up in blood work?

No: It will not show up in blood work and it won't show up in your BP either because it wears off in about 10 minutes. ...Read more

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What to do if I'm having chest pain on the left side and had nitroquick time2 help?

What to do if I'm having chest pain on the left side and had nitroquick time2 help?

Chest pain: If you have chest pain and have taken Nitro without any improvement then you should be seen by a physician right away. You should go to an ER for evaluation. If it is not serious then you can follow with your regular physician, if it is then you will be admitted for further testing, but don't wait. ...Read more

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I have chest pain. Cleared by Heart MD. ALL other system R/O. Put on Imdur ER and Nitrostat. They are only things that help. Is ok to take long term?

Diagnosis?: U say that ur Heart MD (presumably a Cardiologist) "cleared" you. What does that mean? What is the diagnosis? Do you have Prinzmetal's angina (ie coronary artery spasm with no blockage)? Is it Diffuse Esophageal Spasm, which mimics chest pain? In pts with heart disease (CAD), being on long-term nitrates increase mortality; however, u r young (23) & probably don't have CAD. Again, ask ur "heart MD" ...Read more

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I've been taking nitroglycerin for episodes of chest discomfort (was prescribed by cardiologist to see if it helped). I don't notice much relief from it. Does this indicate it's not artery spasms?

Not necessarily: The crucial question you are asking is 'do I have cardiac disease, and is the chest discomfort I am experiencing due to this heart disease'? Ntg test does not do much to help to get to the answer to the question. Further testing needs to be done, such as an echocardiogram (which gives more info about the heart valves), stress testing and angiogram, which tells info about the coronary vessels. ...Read more

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I have a sharp right sided chest pain. It isn't constant, i experienced once last night and last week after work. The pain usually last for an hour?

I have a sharp right sided chest pain. It isn't constant,  i experienced once last night and  last week after work.  The pain usually last for an hour?

Chest wall or lungs: This sounds like costochondritis, an inflammation of the cartilage that connects the ribs to one another and to the breast bone. This condition can causing sharp, knife-like pain at areas in the chest wall;however it does not typically last longer than a few seconds. If you have had a "chest cold" recently, another possibility would be pleuritis, or inflammation of the lung lining. See your doc. ...Read more

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Dr. Joshua Buckler
379 doctors shared insights

Nitroglycerin (Definition)

Nitroglycerin dilates the blood vessels around the heart to relieve heart pain or "angina". It comes in both a pump spray and tablet form. There are several cautions when using this medication so always discuss with ...Read more


Dr. Gutti Rao
2,878 doctors shared insights

Chest Pain (Definition)

Many people with chest pain fear a heart attack. However, there are many possible causes of chest pain. Some causes are not dangerous to your health, while other causes are ...Read more