Chapter 44.pe - Chapter44 CardiotonicAgents

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Chapter 44 Cardiotonic Agents
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Congestive Heart Failure (CHF) Definition Condition in which the heart fails to effectively pump  blood around the body Primary treatment Helping the heart muscle to contract more efficiently  to restore system balance
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Underlying Problems in CHF  Involving Muscle Function The muscle could be damaged  Atherosclerosis or cardiomyopathy   The muscle could be forced to work too hard to  maintain an efficient output Hypertension or valvular disease The structure of the heart could be abnormal Congenital cardiac defects
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The Sliding Filament of  Myocardial Muscles
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Composition of the Sarcomere Protein fibers Thin actin fibers Thick myosin fibers
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Causes of Congestive Heart Failure (CHF) Coronary artery disease (CAD)  Cardiomyopathy Hypertension  Valvular heart disease
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Compensatory Mechanisms in CHF
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Signs and Symptoms of CHF
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This note was uploaded on 02/19/2011 for the course RNSG 1301 taught by Professor Loftin during the Spring '11 term at Lone Star College.

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Chapter 44.pe - Chapter44 CardiotonicAgents

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