Nifedipine for High Blood Pressure essays

Nifedipine for High Blood Pressure essays Nifediine is a calcium slow-channel blocker and an antianginal drug that selectively inhibits the influx of calcium ions into both cardiac muscle. In addition it dilates arteries and arterioles of the heart and inhibits coronary spasms, which improves oxygen delivery. In addition it has a mild effect on systolic and diastolic blood pressure readings. Usually this change is small, i the range of 5 - 10 hg, but sometimes the Nifepidine treats vasoplastic angina when that angina has been confirmed either by documentation of classical angina pattern; provocation of angina with ergonovine, or as confirmed on an angiogram. It treats chronic angina when beta-blockers or nitrates have failed or in patients who do not tolerate those medications well. There are several warnings regarding nifedipine. Some patients experience marked drops in low blood pressure, sometimes but not always when used in combination with a beta-blocker. Documented incidents of severe hypotension followed by myocardial infarction and death from nifedipine have been noted, and it should not be used to achieve blood pressure reduction. There are no well-done studies demonstrating safety or efficacy for nifedipine when used this way and its use for control of essential hypertension is contra-indicated. Close monitoring is required when a patient taking nifedipine or Procardia also is taking medication to In addition there is some clinical evidence that nifedipine or Procardia may reduce platelet aggregation. No specific warnings are given regarding dental care, although it should be noted that nifedipine has a ...