Term
NY Heart Assoc. Functional Classification of CHF |
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Definition
Class I: Cardiac disease WITHOUT ANY physical limitations.
Class II: Cardiac disease w/ SLIGHT limitation in phys. activity.
Class III: Cardiac disease with MARKED limitations in phys. activity.
Class IV: Cardiac disease with INABILITY to carry on phys. activity without discomfort. |
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Term
Elevated hormonal response to HF--what are the factors? |
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Definition
NOREPI--positive effect acutely, then incr. work of heart and fibrosis.
ANGIOTENSIN II--fibrotic change, also H2O, Na retention.
NATRIURETIC PROTEINS: Oppose kidney by promoting urination.
Aldosterone: Incr. pre- and after-load.
Endothelin: Incr. pre- and after-load.
Vasopressin: Incr. pre- and after-load.
Cytokines
ALL adversely affect structure and fxn. of heart (remodeling). |
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Term
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Definition
MECH: Arterovenous dilation with NO change in HR or contractility.
BENEFIT: Alleviate sympt., improve clinical status, REDUCE RISK OF DEATH AND HOSPITALIZATION. NO NEUROHORMONAL ACTIVATION, REFLEX TACHY OR TOLERANCE DEVELOPED. ALSO, INHIBIT CARDIAC AND VASCULAR REMODELING. |
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Term
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Definition
USE: Replace ACE inhibitor when cough is an issue.
AE: Can cause angioedema. Decrease GFR, Incr. potassium, hypotension. |
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Term
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Definition
USE: Replace ACE inhibitor when cough is an issue.
AE: Can cause angioedema. Decrease GFR, Incr. potassium, hypotension. |
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Term
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Definition
USE: Replace ACE inhibitor when cough is an issue.
AE: Can cause angioedema. Decrease GFR, Incr. potassium, hypotension. |
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Term
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Definition
USE: Replace ACE inhibitor when cough is an issue.
AE: Can cause angioedema. Decrease GFR, Incr. potassium, hypotension. |
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Term
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Definition
USE: Replace ACE inhibitor when cough is an issue.
AE: Can cause angioedema. Decrease GFR, Incr. potassium, hypotension. |
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Term
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Definition
USE: Replace ACE inhibitor when cough is an issue.
AE: Can cause angioedema. Decrease GFR, Incr. potassium, hypotension. |
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Term
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Definition
USE: Decr. volume and preload. No direct affect on CO. NEUROHORMONAL ACTIVATION--therefore, use sparingly and only when volume expanded.
CONTRA: Hypovolemia.
SE: Volume contraction, hypokalemia, hyponatremia. |
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Term
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Definition
USE: LOW DOSE--improved Class 3 and 4 HF patients by 30% reduced mortality.
CONTRA: Poor renal fxn. and CO--prone to hyperkalemia. Spironolactone will increase this to fatal end.
SE: Hyperkalemia, metabolic acidosis, gynecomastia, gastric upset, thinning hair (sex hormone effects). |
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Term
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Definition
USE: LOW DOSE--Mortality decr. from 13.6 to 11.8% in patients who had a LVEF <40%, evidence of HF or diabetes within 14 days of MI.
CONTRA: Poor renal fxn. and CO--prone to hyperkalemia. Spironolactone will increase this to fatal end.
SE: Hyperkalemia, metabolic acidosis, gynecomastia, gastric upset, thinning hair (sex hormone effects). |
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Term
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Definition
MECH: HF is a high catacholamine state, beta-blockers block the effects of these agents.
USE: ONLY 3 beta blockers (Bisoprolol, metoprolol, carvedilol) show reduced risk of death. Initiate at LOW DOSE and GRADUALLY increase. |
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Term
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Definition
MECH: Inhibition of Na/K ATPase causing increased intracellular Na reducing effectiveness of membrane Na/Ca exchanger's clearance of Ca from cell resulting in sustained contraction. ALSO, increases vagal efferent activity to heart--reduces SA firing rate, conduction to AV.
EFFECTS: INCREASED CO, LVEF, exercise tolerance, natriuresis. DECREASED LVEDP, neurohormonal activation (decr. norepi, RAAS activity).
CAUTION: Has a narrow therapeutic-toxic window. Causes Atrial tachycardia AND AV block. Needs to be KIDNEY DOSED. Improves quality BUT NOT QUANTITY OF LIFE |
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Term
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Definition
MECH: Inhibits phosphodiesterase IIIa--breakdown of cAMP increases contractility and HR.
USE: Indicated when treatment with vasodilators and diuretics is insufficient. |
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Term
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Definition
MECH: Beta-1 selective agonist. Positive ionotrope and chronotrope.
USE: Great for acute, decompensated HF. Take patient off quickly--no positive long-term effects. |
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Term
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Definition
Recombinant BNP
MECH: REDUCE catecholamines, aldosterone, renin. INCR. perfusion.
PROVEN INEFFECTIVE!! |
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