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55 Cards in this Set
- Front
- Back
Define HTN
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reading of 140/90 on 3 separate occasions
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Define prehypertension
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120-139/80-89
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Define Stage 1 HTN
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140-159/90-99
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Treatment of choice for Stage 1 HTN?
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thiazides
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Define Stage 2 HTN
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>160/>100
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Treatment for stage 2 HTN?
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thiazide plus at least one other agent
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Treatment for pregnant patients with HTN?
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hydralazine, labetalol, or alpha-methyldopa
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Treatment for hypertensive emergencies or urgencies?
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nitroprusside, nitroglycerin, or beta-blocker (e.g. labetalol)
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What does nitroprusside dilate?
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arteries and veins
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What does nitroglycerin dilate?
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veins only
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hydralazine, alpha antagonists, Ca2+ blockers all act on what?
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dilate arteries
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what is the most common cause of secondary HTN in a young women?
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OCPs
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How do you diagnose renovascular HTN?
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renal bruit; CT or MR angiogram
(can also use US or nuclear medicine) |
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How do you treat renovascular HTN?
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angioplasty
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Young man with HTN?
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excessive alcohol intake or "exotics" - pheo, Cushing's, Conn's, PKD
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Test to order for suspected pheochromocytoma?
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urinary catecholamines (vanillylmandelic acid, metanephrine)
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Sx of pheo?
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intermittent severe HTN, dizziness, diaphoresis
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Flank mass, family hx, elevated BUN/Cr
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PKD
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Test to order for suspected Cushing's?
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Dexamethasone suppression or 24 hour urine cortisol
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Lab findings in Conn's syndrome?
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high aldosterone, low renin
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Diagnosis of diabetes made by what lab values?
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fasting plasma glucose >126 or
random glucose of 200 (if asymptomatic, test should be repeated) |
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Threshold for diagnosing diabetes with OGTT?
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if 200 mg/dL reached within 2 hours of 75g glucose
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Goal of diabetes treatment is to keep postprandial glucose ____
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<180-200
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Goal of diabetes treatment is to keep fasting glucose _____
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<130
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Islet cell pathology in Type I DM?
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insulitis (loss of most beta cells)
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Islet cell pathology in Type II DM?
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normal number, but with amyloid deposits
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HLA association with what type of diabetes?
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Type I
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Level of C peptide in people with accidental OD or factitious disorder?
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low
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Level of C peptide in someone with an insulinoma?
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high
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Treatment of DKA?
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fluids, IV regular insulin, K & Phos replacement
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Diagnosis of DKA requires what 3 things?
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hyperglycemia, hyperketonemia, and metabolic acidosis
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Diagnosis of nonketotic hyperglcemic hyperosmolar state requires what?
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hyperglycemia and hyperosmolarity without ketonemia
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Treatment of nonketotic hyperglcemic hyperosmolar state?
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IV fluids, IV insulin, electrolyte replacement
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what class of drugs helps to prevent nephropathy?
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ACE-Is
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How do you treat gastroparesis?
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metoclopromide
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If a patient has a high 7 am glucose, what do you do to dinner NPH?
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increase
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Patient has a high noon glucose - what do you do?
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Increase morning regluar insulin or increase before-breakfast lispro or aspart
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What is the Somogyi effect?
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body's reaction to hypoglycemia - if too much insulin is given at night, 3 am glucose will be low ->body releases stress hormones -> 7 am glucose is high
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what is the dawn phenomenon?
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hyperglycemia caused by normal early morning growth hormone secretion - 7am glucose is high wthout 4am hypoglycemia
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How much insulin should diabetic patients undergoing surgery get?
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1/3- 1/2 of normal insulin dose; monitor closely intra- & post-op with D5W and IV regular insulin
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Why should beta-blockers be used cautiously in diabetic patients?
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can mask the sx of hypoglycemia (tachycardia, diaphoresis)
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Goal for total cholesterol?
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<200
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Goal for triglycerides?
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<150
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pancreatitis without alcohol use or gallstones may be a marker for what?
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familial hypercholesterolemia
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medications that can cause hypercholesterolemia?
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OCPs, glucocorticoids, thiazides, beta-blockers
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Risk factors for coronary heart disease?
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age (men-45, women-55 or with premature menopause and no estrogen tx)
family hx of premature CHD current smoking (>10/day) HTN low HDL (<40) |
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List four things that decrease HDL
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smoking, androgens, progesterone, hypertriglyceridemia
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3 things that increase HDL
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exercise, estrogens, moderate alcohol intake
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Raynaud's in a young male smoker?
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Beurger's disease
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ophthalmoplegia, nystagmus, ataxia, & confusion
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Wernicke's syndrome (acute)
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anterograde amnesia and confabulation
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Korsakoff's syndrome (chronic)
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pathophysiology of Wernicke's & Korsakoff's?
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damage to mamillary bodies and thalamic nuclei due to thiamine deficiency
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characteristics of fetal alcohol syndrome
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MR, microcephaly, microphthalmia, short palpebral fissures, midfacial hypoplasia, & cardiac defects
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always give what first to an alcoholic with hypoglycemia?
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thiamine!
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if you give glucose to an alcoholic before thiamine, what can you precipitate?
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Wernicke's encephalopathy
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