work1

Link the theory you developed with the Metaparadigm of Nursing.  Each of the elements of the Metaparadigm should be represented in your theory. Revise your theory if necessary to include each of the components of the Metaparadigm.

Developed theory to be used 
Concept
Observation is an important aspect of nursing that creates a quest for knowledge leading to the creation of theories. These theories help in ensuring patient safety and quality care. Also, they help in explaining or predicting phenomenon for observation. One important theory is the theory of beta-blockers agent. The use of beta-blockers agent has been underused because of adverse events, negative effects on short term, or complex management (Klapholz, 2009). However, there is proof that beta-blocker agent are beneficial to CHF patients leading to increased life expectancy.
Theory 
My theory is significant because it has been proven effective in treating CHF patients in various stages. For example, the use of ACE inhibitors in treatment of hypertension and diabetes patients who are at high risk of developing HF. Further, blockers are used on asymptomatic patients with abnormal cardiac structure or function, and symptomatic patients with HF. My theory remains relevant because beta-blockers prevent progression, improve outcomes and reverse remodeling on patients (Klapholz, 2009). Therefore, the concept I have identified may be sued to support nurse use of this theory on CHF patients.
Empirical 
There are successful practical applications of my theory. A study by the US Carvedilol Heart Failure Program with placebo on a 35% or less LVEF showed a 65% decrease in all-cause mortality, and reduced hospitalization for cardiovascular cause (Klapholz, 2009). There is also evidence that supports the use of beta-blockers in patients with mild to moderate HF. Therefore, if beta-blockers are important in treating HF patients because they reduce the likelihood of progression. 

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