neÂ·croÂ·ses (-sÄzâ²) Death of cells through injury or disease, especially in a localized area of a tissue or organ. [Late Latin necrÅsis, a causing to die, killing, from Greek nekrÅsis, death, from nekroun, to make dead, from nekros, corpse; see nek-1 in the Appendix of Indo-European roots.] neÂ·crotâ²ic (-krÅtâ²Ä­k) adj.
Types of Angina. Angina usually refers to the chest pain caused by the shortage of oxygenated blood in the heart muscles. It is mainly of three types-stable, unstable, and variant angina.Find out more about these three types of angina, and what can cause them, through this Buzzle article.he most common symptoms of this condition are chest pain and discomforts like tightness, squeezing, and heaviness in the chest. Sometimes, the chest pain or discomfort is also accompanied by other symptoms, like pain in the upper abdomen, back, and the neck.
Nitrates or beta blockers are usually preferred for initial treatment of angina, and calcium channel blockers may be added if needed. The number and type of medications used are often tailored to how frequently angina occurs in an average week.ral nitrates â Oral nitrates have a longer-lasting effect than sublingual NTG, and are equally effective in controlling angina on a chronic basis. Oral nitrates are available in two forms: isosorbide dinitrate (ISDN) and isosorbide-5-mononitrate (ISMN).