The most common types of diabetes are: Type 1 diabetes, which is characterized by a lack of insulin production and therefore dependent upon insulin administration and Type 2 diabetes, which is characterized by an ineffective use of insulin.
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The most common cause is reduced blood flow to the heart muscle because the coronary arteries are narrowed by fatty buildups (atherosclerosis) which can rupture causing injury to the coronary blood vessel resulting in blood clotting which blocks the flow of blood to the heart muscle.
http://www.heart.org/HEARTORG/Conditions/HeartAttack/SymptomsDiagnosisofHeartAttack/Unstable-Angina_UCM_437513_Article.jsp
Unstable diabetes: A type of diabetes when a person's blood glucose (sugar) level often swings quickly from high to low and from low to high. Also called brittle diabetes or labile diabetes..
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a clinical condition characterized by the excessive excretion of urine. The excess may be caused by a deficiency of antidiuretic hormone, as in diabetes insipidus, or it may be the polyuria resulting from the hyperglycemia that occurs in diabetes mellitus.
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Causes of Unstable Angina: Blood clots that block an artery partially or totally are what causes unstable angina. Blood clots may form, partially dissolve, and later form again and angina can occur each time a clot blocks blood flow in an artery. Learn more about excessive blood clotting.
http://www.heart.org/HEARTORG/Conditions/HeartAttack/SymptomsDiagnosisofHeartAttack/Unstable-Angina_UCM_437513_Article.jsp
Another manifestation of diabetes mellitus is visual disturbance due to increased osmolarity of the blood and accumulation of fluid in the eyeball, which changes its shape. Once the diabetes is under control, visual problems should abate.
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diabetes mel´litus a broadly applied term used to denote a complex group of syndromes that have in common a disturbance in the oxidation and utilization of glucose, which may be secondary to a malfunction of the beta cells of the pancreas, whose function is the production and release of insulin.
http://medical-dictionary.thefreedictionary.com/unstable+diabetes+mellitus
Treatment for Unstable Angina First, your healthcare provider will need to find the blocked part or parts of the coronary arteries by performing a cardiac catheterization.
http://www.heart.org/HEARTORG/Conditions/HeartAttack/SymptomsDiagnosisofHeartAttack/Unstable-Angina_UCM_437513_Article.jsp
Before any of these procedures, a doctor must find the blocked part or parts of the coronary arteries. He or she will guide a catheter through an artery in the arm or leg and into the coronary arteries, then inject a liquid dye through the catheter.
http://www.heart.org/HEARTORG/Conditions/HeartAttack/SymptomsDiagnosisofHeartAttack/Unstable-Angina_UCM_437513_Article.jsp
Insulin is a hormone that regulates blood sugar. Hyperglycaemia, or raised blood sugar, is a common effect of uncontrolled diabetes and over time leads to serious damage to many of the body's systems, especially the nerves and blood vessels (definition of the World Health Organization).
http://medical-dictionary.thefreedictionary.com/unstable+diabetes+mellitus
what is the definition of unstable diabetes
Unstable diabetes is a type of diabetes when a person's blood glucose level often swings quickly from high to low and from low to high.