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NR507 week 5 initial student post ” Week 5: Gastrointestinal and Neurobiological Pathologies
week 5
Choose Your Own Pathophysiology Adventure: Part 2 of 3
Discussion
Purpose
The purpose of the graded collaborative discussions is to engage faculty and students in an interactive dialogue to assist the student in appraising data to improve population health outcomes. Meaningful dialogue among faculty and students fosters the development of a learning community as ideas, perspectives, and knowledge are shared. This discussion will support the professional formation of the nurse practitioner (NP) role.
Course Outcomes
This discussion enables the student to meet the following course outcomes:  
- CO 1: Analyze pathophysiologic mechanisms associated with selected disease states across the lifespan.
- CO 2: Examine the way in which homeostatic, adaptive, and compensatory physiological mechanisms can be supported and/or altered through specific therapeutic interventions across the lifespan.
- CO 3: Distinguish risk factors associated with selected disease states across the lifespan.
- CO 4: Integrate advanced pathophysiological concepts in the diagnosis and treatment of health problems in selected populations.
- CO 5: Relate research findings to the management of patients with complex pathophysiologic dysfunction.
Due Date
Initial posts are due to the discussion forum by Wednesday at 11:59 p.m. MT. Instructor and peer responses are due by Sunday at 11:59 p.m. MT. Students must post on a minimum of two separate days. A 10% late penalty will be imposed for discussions posted after the deadline Wednesday at 11:59 p.m. MT, regardless of the number of days late. NOTHING will be accepted after 11:59 p.m. MT on Sunday (i.e., the student will receive an automatic 0). 
Total Points Possible: 50
Preparing the Assignment
Follow these guidelines when completing each component of the discussion. Contact your course faculty if you have questions.
General Instructions
This discussion represents the second step in a three-step discussion series where you will choose your pathophysiology adventure to analyze and present to the class. Students will continue to explore the disease process that was chosen in Week 2. In this step of the discussion series, you will describe the pathophysiology of your chosen condition from Week 2 and its manifestations, diagnosis, and lifespan considerations. You will also create your case study.
Include the following sections:
1. Application of Course Knowledge: Answer all questions/criteria with explanations and detail.
- Describe the pathophysiology of the chosen condition. What is the condition’s etiology, signs and symptoms, complications, and risk factors?
- Discuss how the condition is diagnosed. What are relevant assessment findings, labs, and imaging studies?
- Explain how the pathophysiology of the condition might differ across the lifespan. Does the condition manifest in pediatric, pregnant, breastfeeding, and older adult populations? How might the condition look different across the lifespan?
- Create your case study based on the chosen condition (~ 1,000 words or less using bullet points and full sentences). Start with the diagnosis and work backward to develop a clinical scenario that leads to this diagnosis. Include the client’s name, social background, symptoms, lab results, medical or surgical history, and other relevant details.
2. Integration of Evidence: Integrate relevant scholarly sources as defined by program expectations:
- Cite a scholarly source in the initial post.
- Cite a scholarly source in one faculty response post.
- Cite a scholarly source in one peer post.
- Accurately analyze, synthesize, and/or apply principles from evidence with no more than one short quote (15 words or less) for the week.
- Include a minimum of two different scholarly sources per week. Cite all references and provide references for all citations.
3. Engagement in Meaningful Dialogue: Engage peers and faculty by asking questions and offering new insights, applications, perspectives, information, or implications for practice.
- Peer Response: Respond to at least one peer on a condition other than the one you selected.
- Faculty Response: Respond to at least one faculty post.
- Communicate using respectful, collegial language and terminology appropriate to advanced nursing practice.
4. Professionalism in Communication: Communicate with minimal errors in English grammar, spelling, syntax, and punctuation. 
5. Reference Citation: Use current APA format to format citations and references free of errors. 
6. Wednesday Participation Requirement: Provide a substantive response to the graded discussion topic (not a response to a peer or faculty), by Wednesday, 11:59 p.m. MT of each week. 
this was my week 2 post fyi
Sep 7 1:14am| Last reply Sep 9 6:15pm
Hello Everyone
Heart Failure
Summary of the Condition and Rationale for Selection
Heart failure (HF) is chosen as the condition since it is a progressive cardiovascular condition that involves the heart not pumping blood adequately because of abnormalities of cardiac structure or function. One of the things that makes heart failure a significant issue for advanced practice nursing is that it often arises due to other chronic diseases, such as hypertension, coronary artery disease, diabetes, obesity, and valvular heart disease. It is important that the condition is continually assessed and managed as the clinical condition can change quickly. Heart failure is defined in the Week 2 lesson as failure of the heart to adequately fill or eject blood, pulmonary manifestations are commonly seen with left-sided failure, and systemic venous congestion is associated with right-sided failure.
Prevalence, Incidence, and Affected Populations
Heart failure is a serious public health problem in the United States. The Centers for Disease Control and Prevention (CDC, 2024) estimates that almost 6.7 million adults, age 20 years or older, in the United States have heart failure. Heart failure is a significant cause of deaths and accounted for 452,573 deaths in 2023. This condition grows more prevalent as people age, but can be seen in younger adults as well, due to cardiovascular risk factors or cardiomyopathies. This burden is significant for people with hypertension, diabetes, obesity, and coronary artery disease, among others, who have structural heart disease. These are all significant risk factors that may put people at risk for HF, prior to clinical signs and symptoms, according to the 2022 American Heart Association/American College of Cardiology/Heart Failure Society of America (AHA/ACC/HFSA) guideline.
Pathophysiology and Manifestations
In the heart failure syndrome, structural or functional abnormalities are responsible for reducing the ability of the ventricles to fill or eject. This leads to a decrease in the output of the heart that activates compensatory mechanisms, such as the renin-angiotensin-aldosterone system and activation of the sympathetic nervous system. The first responses are designed to ensure blood pressure and perfusion, but if these responses are sustained for prolonged periods, then the heart rate, vascular resistance, and sodium and water retention also are elevated. These processes over time lead to ventricular remodelling, an increased workload, fluid accumulation, and progressive myocardial dysfunction (Heidenreich et al., 2022).
In addition, heart failure is classified by the left ventricular ejection fraction (LVEF). HFrEF is defined as an LVEF < 40%, whereas HFpEF is LVEF ≥ 50% and associated with elevated filling pressures. HF with mild reduced EF is in between these two categories, having a LVEF of 41% – 49% (Heidenreich et al., 2022). These classifications are clinically relevant because the pathophysiology, prognosis, and treatment response could vary between the different types of HF phenotypes.
The symptoms and signs of HF are primarily related to congestion or lack of perfusion. Left-sided HF may lead to pulmonary venous hypertension and symptoms of dyspnea, orthopnea, pulmonary crackles, exercise intolerance, and pulmonary edema. HF on the right side will raise systemic venous pressure and can cause jugular venous distention, edema, hepatomegaly, and rapid weight gain. Decreased forward cardiac output may lead to fatigue, weakness, inability to exercise as much, dizziness. The AHA/ACC/HFSA guideline reminds clinicians to continue to use clinical signs of congestion (jugular venous distention, orthopnea, and leg edema) as an important part of the physical exam.
Relevance to Advanced Practice Nursing
In heart failure, the pathophysiological mechanisms of the condition are very relevant to clinical assessment. Advanced practice nurses should be aware of subtle weight changes, signs and symptoms of edema, breathlessness, diminished exercise tolerance, changes in BP, renal function, and adherence with medication as indicators of worsening congestion and/or inadequate perfusion. Early detection helps identification of a timely intervention and can prevent hospitalization. In addition, knowledge of the stages and phenotypes of HF allow an APN to educate individual patients, reinforce adherence to guideline-directed therapy, treat modifiable cardiovascular risk factors, and coordinate multidisciplinary therapy. Prevention, accurate diagnosis, clinical assessment, and evidence-based management are all important goals of the 2022 AHA/ACC/HFSA Guideline for the treatment of HF, from inception to progression (Heidenreich et al., 2022).
References
Centers for Disease Control and Prevention. (CDC). (2024). About heart failure.
https://www.cdc.gov/heart-disease/about/heart-failure.html
Heidenreich, P. A., Bozkurt, B., Aguilar, D., Allen, L. A., Byun, J. J., Colvin, M. M., … & Yancy, C. W. (2022). 2022 AHA/ACC/HFSA guideline for the management of heart failure: a report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. Circulation, 145(18), e895-e1032. https://www.ahajournals.org/doi/full/10.1161/CIR.0000000000001063