Coronary Heart Disease: Symptoms, Diagnosis, and Treatment
This paper provides a comprehensive overview of coronary heart disease (CAD), the leading cause of heart attacks in the United States. It examines the epidemiology and national prevalence of the condition, explains the atherosclerosis process underlying arterial narrowing, and identifies established and emerging risk factors. The paper then details the symptoms of CAD—most notably angina—before surveying the diagnostic tools physicians use, including stress tests, echocardiograms, coronary angiography, and imaging scans. Finally, it reviews major treatment options such as coronary artery bypass grafting, angioplasty, medication, and lifestyle modifications, concluding with recommendations for early intervention and patient-provider cooperation.
- Introduction to Coronary Heart Disease: Defines CAD and states its national impact
- Prevalence of CAD in the United States: Age- and sex-based CAD prevalence statistics
- Epidemiology and Atherosclerosis: Plaque buildup process leading to heart disease
- Risk Factors: Cholesterol, smoking, stress, and emerging risk factors
- Symptoms of CAD: Angina, chest pain, and other warning signs
- Diagnosis: Tests used to detect and confirm CAD
- Treatment Options: CABG, angioplasty, medication, and lifestyle changes
- Conclusion: Early action and lifestyle change recommendations
✍️ How to write this paper — guide, tools & examples ▾
What makes this paper effective
- Grounds the topic immediately in concrete epidemiological data (CDC mortality figures, cost estimates), giving the reader a clear sense of the disease's public-health significance before moving into clinical detail.
- Moves logically through the disease pathway—from causation (atherosclerosis) to symptoms, then diagnosis, then treatment—mirroring the sequence a clinician or informed patient would follow.
- Balances breadth and accessibility: technical terms such as radionuclide testing and coronary angiography are introduced with brief plain-language explanations, making the paper useful to a general academic audience.
Key academic technique demonstrated
The paper demonstrates effective use of multi-source synthesis. Rather than relying on a single authority, it draws on the CDC, NIH, NHS, American Heart Association, and peer-reviewed texts to triangulate facts about prevalence, diagnosis, and treatment. Each claim is tied to a specific citation, showing students how to build credibility by assembling evidence from complementary institutional and scholarly sources.
Structure breakdown
The paper follows a classic informational structure: an introductory section establishes scope and significance; middle sections move from population-level data (prevalence, epidemiology, risk factors) to individual-level experience (symptoms, diagnosis); and final sections shift from problem to solution (treatment options, conclusion). This funnel-then-expand pattern keeps the argument coherent across eight clearly labeled sections.
Introduction to Coronary Heart Disease
Among the common diseases that affect the heart, coronary heart disease is the most common in the United States and is the leading cause of heart attacks among both men and women. Coronary heart disease — in some quarters referred to as coronary artery disease (CAD) — is the inability of blood vessels to supply the required amount of oxygen and blood to the heart as a result of plaque buildup in the inner walls of the coronary artery (National Institute of Health, 2015). According to the Centers for Disease Control and Prevention (2015), a total of 720,000 Americans have heart attacks every year, and of these, 380,000 die from CAD. Recent studies have established that the majority of these deaths are caused by ignorance of warning signs and symptoms and the inability of people to respond promptly when a heart attack occurs. The CDC also states that the United States incurs costs amounting to $108.9 billion from medication, medical services, and declines in productivity as a consequence of the condition. This paper examines CAD in detail and reviews its symptoms, diagnosis, and current treatment options.
Prevalence of CAD in the United States
Based on analysis of the Behavioral Risk Factor Surveillance System (BRFSS) in 2010, the CDC established that the prevalence of CAD was 1.2% among those aged between 18 and 44 years, 7.1% among those aged between 45 and 64 years, and greatest — at 19.8% — among people aged 65 and above (CDC, 2015). However, in 2015, the American Heart Association found that prevalence was greatest among men and women aged 80 or older, and according to its National Health and Nutrition Examination Survey, more men were affected than women (AMA, 2015). Declines in mortality rates have been reported, which may be a result of improved treatments and reduction of risk factors. Over the years, identified risk factors have included high cholesterol levels, smoking, diabetes, physically inactive lifestyles, and an established family history of premature vascular disease (Shah, 2006).
Epidemiology and Atherosclerosis
The process that leads to CAD is referred to as atherosclerosis. This is the process by which cholesterol deposits that form plaque accumulate in the arteries over time, causing them to narrow. When the arteries become narrow, an insufficient amount of blood reaches the heart, resulting in the weakening of the heart muscles and causing individuals to experience pressure, pain, or discomfort in the chest — a condition referred to as angina (CDC, 2015). Eventually, the heart becomes unable to pump blood properly, leading to heart failure and irregular heartbeats. When plaque completely blocks the artery that carries blood to the heart, or causes a clot on the coronary artery, the individual is likely to suffer a heart attack.
Risk Factors
Over the years, identified risk factors for CAD have included high cholesterol levels, smoking, diabetes, physically inactive lifestyles, and an established family history of premature vascular disease (Shah, 2006). It has been established that women experiencing high levels of stress — either at work or at home — are more likely to develop CAD. Certain personality traits, such as excessive worrying, hostile behavior, impatience, and a high sense of urgency, also aggravate the disease. New risk factors have been identified that predispose individuals to CAD, including elevated levels of lipoprotein and homocysteine, systemic inflammation, insulin resistance syndrome, and infections (Shah, 2006).
Conclusion
Knowledge of the symptoms and risk factors of CAD can help reduce its prevalence in the United States. Patients' chances of suffering a heart attack are greatly reduced when warning signs are acted upon immediately. There is a need for enhanced cooperation between those predisposed to the condition — especially the elderly — and health officials regarding the signs, symptoms, causes, and treatment options of CAD. Patients should embrace lifestyle changes that can reduce the risks associated with the disease.
References
American Heart Association. (2015). Coronary artery disease — coronary heart disease. Life is Why. Retrieved 12 February 2015 from http://www.heart.org/HEARTORG/Conditions/More/MyHeartandStrokeNews/Coronary-Artery-Disease-Coronary-Heart-Disease_UCM_436416_Article.jsp
Centers for Disease Control and Prevention. (2015). Coronary artery disease. National Center for Chronic Disease Prevention and Health Promotion. Retrieved 12 February 2015 from http://www.cdc.gov/heartdisease/coronary_ad.htm
Fuster, V., Topol, J. E., & Nabel, E. G. (2005). Atherothrombosis and coronary artery disease. Philadelphia, PA: Lippincott Williams & Wilkins.
Shah, P. K. (2006). Risk factors in coronary artery disease. Boca Raton: Taylor & Francis Group, LLC.
The National Health Service. (2015). Coronary heart disease — treatment. NHS Choices. Retrieved 12 February 2015 from
The National Institute of Health. (2015). What is coronary heart disease? National Heart, Lung, and Blood Institute. Retrieved 12 February 2015 from http://www.nhlbi.nih.gov/health/health-topics/topics/cad
Vlodavar, Z., Wilson, R. F., & Garry, D. J. (2012). Coronary heart disease: Clinical, pathological, imaging, and molecular profiles. New York, NY: Springer Science+Business Media.
Create your account
Always verify citation format against your institution’s current style guide requirements.