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56 Cards in this Set
- Front
- Back
Three forms of rapid acting insulin
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Lispro (Humulog)
Aspart Regular |
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Intermediate acting insulin
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NPH
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2 forms of long-acting insulin
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Glargine (Lantus)
Determir |
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Insulin uses beyond DM
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Life-threatening hyperkalemia
Stress-induced hyperglycemia Gestational diabetes |
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2 insulin toxicities
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Hypoglycemia
Hypersensitivity reaction (very rare) |
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Why shouldn't you use non-selective beta blockers in DM, and what should you use instead?
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Mask symptoms of hypoglycemia
Selective beta-1 blockers |
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Mechanism of sulfonylureas
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Close K_ channel in beta cell membrane --> depolarization --> triggers insulin release
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Why can't sulfonylureas be used in T1DM?
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Stimulates endogenous release: requires some islet function
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3 2nd generation sulfonylureas?
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Glyburide
Glimepiride Glipizide (1st generation: tolbutamide, chlorpropamide) |
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Toxicity of 2nd generation sulfonylureas?
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Hypoglycemia
(1st generation caused disulfiram-like effects) |
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Name the biguanide
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Metformin
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Effects of metformin
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Decreased gluconeogenesis
Increased glycolysis Increased peripheral glucose uptake (insulin sensitivity) |
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Which oral hypoglycemic can be used in patients without islet function?
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Metformin
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Patients on metformin must be monitored annually with what test?
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Creatinine
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Metformin toxicity?
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Lactic acidosis
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Metformin is contraindicated in these pts
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Renal failure, Cr >1.4
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Name the 6 classes of oral hypoglycemics
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Sulonylureas
Biguanides Glitazones/ thiazolidinediones alpha-glucosidase inhibitors Mimetics GLP-1 analogs |
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Mechanism of glitazones/ thiazolidinediones
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Increase insulin sensitivity in peripheral tissue; binds PPAR-gamma nuclear transcription regular
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Two types of glitazones
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Pioglitazone
Rosiglitazone |
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Three toxicities of glitazones
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Weight gain/ edema (can exacerbate CHF)
Hepatotoxicity CV toxicity |
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Glitazones are also used to treat these 3 diseases
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Metabolic syndrome
NASH PCOD |
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Two alpha-glucosidase inhibitors
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Acarbose
Miglitol |
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Mechanism of alpha-glucosidase inhibitors
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Inhibit intestinal brush-border alpha glucosidases --> delayed sugar hydrolysis and glucose absorption --> decreased postprandial hyperglycemia
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Toxicity of alpha-glucosidase inhibitors
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GI disturbances
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Mimetic
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Pramlintide (amylin analogue)
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Mechanism of pramlintide
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Inhibits secretion of glucagon
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Side effects of pramlintide
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Hypoglycemia
Nausea, diarrhea |
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GLP-1 analog
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Exenatide
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Mechanism of exenatide
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Increases insulin, decreases glucagon release
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Side effects of exenatide
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N/V
Pancreatitis |
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Two drugs used for hyperthyroidism
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Propylthiouracil
Methimazole |
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2 mechanisms of drugs for hyperthyroidism
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Inhibit organification of iodide
Inhibit coupling of MIT and DIT in thyroid hormone synthesis |
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Which drug also inhibits peripheral conversion of T4 to T3, propylthiouracil or methimazole?
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Propylthiouracil (beta blockers do as well)
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Enzyme responsible for oxidation and organification of iodide + coupling of MIT and DIT
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Peroxidase
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3 toxicities of propylthiouracil and methimazole
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Skin rash
Agranulocytosis Aplastic anemia (PTU can also cause hepatotoxicity) |
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Which drug is a possible teratogen, propylthiouracil or methimazole?
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Methimazole
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2 drugs for hypothyroidism (thyroxine replacement)
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Levothyroxine, triiodothyronine
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Use of synthetic thyroxine, besides hypothyroidism
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Myxedema
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4 toxicities of levothyroxine and triiodothyronine
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Tachycardia
Heat intolerance Tremors Arrhythmias |
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Drug for Turner Syndrome
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GH
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Another name for somatostatin
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Octreotide
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Rx for acromegaly?
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Somatostatin
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Rx for carcinoid, gastrinoma, glucagonoma, or VIPoma
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Somatostatin
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4 effects of oxytocin
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Stimulates labor
Uterine contractions Milk let-down Controls uterine hemorrhage |
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Synthetic ADH
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Desmopressin (DDAVP)
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Clinical use of desmopressin
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Pituitary (central, not nephrogenic) DI
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Two other uses of DDAVP
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Von Willebrand's disease
Enuresis |
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Demeclocycline is a ____ antagonist
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ADH
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Clinical use of demeclocycline
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SIADH
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3 toxicities of demeclocycline
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Nephrogenic DI
Photosensitivity Abnormalities of bone and teeth (is a tetracycline) |
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5 glucocorticoids
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Hydrocortisone, prednisone, triamcinolone, dexamethasone, beclomethasone
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Glucocorticoids decrease the production of ____ and ____ by inhibiting ____ and expression of _____
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Leukotrienes and prostaglandins
Phospholipase A2 COX-2 |
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Rx for Addison's disease
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Glucocorticoids
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Endrocrine toxicity of glucocorticoids
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Iatrogenic Cushing's syndrome
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Stopping glucocorticoids after chronic use can cause
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Adrenal insufficiency
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Why should acetaminophen be used in place of aspirin or ibuprofen in patients with thyroid problems?
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Aspirin/ ibuprofen can displace thyroid hormone from binding proteins
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