PHARMACOLOGY FOR NURSES CHAPTER 24
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Created by:
pattie0610 on January 5, 2012
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Classes:
ASN 2013, Med Surg I Wabash V. 2012, Terre Haute Ivy Tech ASN Spring 2012 - May 2013
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10 terms
Terms | Definitions |
|---|---|
 AFTERLOAD | PRESSURE THAT MUST BE OVERCOME FOR THE VENTRICLES TO EJECT BLOOD FROM THE HEART |
| CARDIAC OUTPUT | AMOUNT OF BLOOD PUMPED BY A VENTRICLE IN 1 MINUTE |
| CARDIAC REMODELING | CHANGE IN THE SIZE, SHAPE, AND STRUCTURE OF THE MYOCARDIAL CELLS (MYOCYTES) THAT OCCURS OVER TIME IN HEART FAILURE |
| CONTRACTILITY | THE STRENGTH WITH WHICH THE MYOCARDIAL FIBERS CONTRACT |
| FRANK STARLING LAW | THE GREATER THE DEGREE OF STRETCH ON THE MYOCARDIAL FIBERS, THE GREATER WILL BE THE FORCE BY WHICH THEY CONTRACT |
| HEART FAILURE | DISEASE IN WHICH THE HEART MUSCLE CANNOT CONTRACT WITH SUFFICIENT FORCE TO MEET THE BODY'S METABOLIC NEEDS |
| INOTROPIC EFFECT | CHANGE IN THE STRENGTH OR CONTRACTILITY OF THE HEART |
| PERIPHERAL EDEMA | SWELLING IN THE LIMBS, PARTICULARLY THE FEET AND ANKLES, DUE TO AN ACCUMULATION OF INTERSTITIAL FLUID |
| PHOSPHODIESTERASE | ENZYME IN MUSCLE CELLS THAT CLEAVES PHOSPHODIESTER BONDS; ITS INHIBITION INCREASES MYOCARDIAL CONTRACTILITY |
| PRELOAD | DEGREE OF STRETCH OF THE CARDIAC MUSCLE FIBERS JUST BEFORE THEY CONTRACT |
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