Handouts for CHF & cardiomyopathy

Handouts for CHF & cardiomyopathy -...

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1 Copyright ICAN Publishing Inc. 2010
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CHF S AFETY - System Specific Physiology Inadequate levels of oxygen in the blood from complications of pumping action of the heart (loss or dysfunction of the cardiac muscle). Etiology: Hypertension, coronary artery disease & dilated cardiomyopathies 2 Men Copyright ICAN Publishing Inc. 2010
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3 Stroke Volume (volume of blood ejected with each ventricular contraction) X Heart Rate = Cardiac Output (CO) Copyright ICAN Publishing Inc. 2010
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S AFETY - System Specific Physiology Preload stretch of the ventricular myocardial fibers at the end of diastole (before ventricular contraction) Afterload Force that the ventricle must develop during systole in order to eject the stroke volume (the blood into the circulation) Afterload is by hypertension, pulmonary or aortic stenosis, peripheral vascular resistance 4 Copyright ICAN Publishing Inc. 2010
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5 S AFETY - System Specific Physiology Copyright ICAN Publishing Inc. 2010
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S AFETY System Specific Physiology Due to Impaired Pumping Ability to Deliver Oxygen L sided Ht failure : Blood backs into L atrium & pulmonary circulation R sided Ht failure: Blood backs into R Atrium & systemic venous circulation 6 Biventricular Failure  Combined Failure Copyright ICAN Publishing Inc. 2010
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S AFETY - System Specific Assessment L sided Ht failure : dyspnea, orthopnea & nocturnal O2 sats pulse, palpitations Activity Intolerance crackles in lungs & audible wheezing *cough (often hacky), pink-tinged sputum lead to pulmonary edema R sided Ht failure: edema of lower extremities weight gain hepatomegaly distended neck veins ascities anorexia & nausea & vomiting nocturia 7 Auscultation of S3 Confusion, disorientation Copyright ICAN Publishing Inc. 2010
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During a cardiac assessment, where should the nurse place the stethoscope to accurately evaluate the aortic heart sound? a. the second intercostal space right of the sternum b. the second intercostal space left of the sternum c. the fifth intercostal space at the left midclavicular line d. the third intercostal space right of the sternum 8 Copyright ICAN Publishing Inc. 2010
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S AFETY - System Specific Etiology Risk Factors for CHF Major Non-modifiable Risk Factors Family History Age Gender Genetics 9 Menu Copyright ICAN Publishing Inc. 2010
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S AFETY - System Specific Physiology Major Modifiable Risk Factors Smoking/Alcohol/Illicit drug use Hypertension Hyperlipidemia Metabolic Syndrome Sedentary lifestyle Obesity Diabetes Valvular abnormalities 10 Men Copyright ICAN Publishing Inc. 2010
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S AFETY - System Specific Assessment: Lab & Diagnostic Procedures Lab Electrolytes Liver Function tests BUN and Creatinine CBC Urinalysis Lipid Panel Hemodynamic Monitoring Central Venous Pressure (CVP) Pulmonary Artery Catheter (Swan – Ganz) 11 Copyright ICAN Publishing Inc. 2010
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This note was uploaded on 02/15/2011 for the course NURS 412 taught by Professor Williams during the Spring '11 term at South Carolina.

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Handouts for CHF & cardiomyopathy -...

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