Diagnose angina (chest pain) by taking Nitroglycerin
Since nitroglycerin relieves the symptoms of angina (chest tightness, heavy feeling), why not to diagnose angina with Nitroglycerin?
If the pain goes away upon taking Nitroglycerin then you have angina, if not - something else, right?
Sure, if taken by a healthy person, even a small dose can cause dizziness and a big headache, but it still less expensive then a stress test (which costs about 0).
Why do doctors test angina with a stress test?
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