An Introduction to the Western Scientific Perspective of the heart

1st perspective on the heart

The Western Scientific Perspective Defined: Originating primarily from Europe and North America, the Western scientific perspective thrives on empirical observation and methodical research. It’s built upon the foundation of evidence, placing emphasis on provable, tangible results and the repeatability of experiments.


The Heart: The Epicenter of Life

The heart, beyond its role as a life-sustaining organ, holds profound significance in human history and culture. This muscular organ, roughly the size of a clenched fist, has inspired poets, captivated scientists, and puzzled philosophers. Its rhythmic beat signifies life, passion, and the very essence of our existence. Within the realm of Western medicine, our understanding of the heart has evolved dramatically, from viewing it simply as a blood vessel junction to recognizing its intricate architecture and functionality.


The Genesis of the Heart:

Embarking on the journey of heart development is to witness nature’s marvel. Post-conception, the heart begins its life as a simple tube. This tube starts looping, shaping itself into a more recognizable heart structure. As this transformation continues, chambers emerge.

First to form are the atria, followed by the ventricles. As development proceeds, septation divides these chambers, ensuring distinct paths for oxygen-rich and oxygen-poor blood. By the 22nd day after conception, a rudimentary heart begins its rhythmic contractions. The heart’s beating relies on a complex dance of electrical impulses, initiated by the sinoatrial node and regulated by valves ensuring blood flows in one direction.

Current Heart Comprehension:

  • Known: We’re now aware of the heart’s exquisite electrical system, the importance of valve coordination, and the intricate balance of chemicals maintaining its rhythm. The discovery of cholesterol’s role in heart disease, the effectiveness of stents in blocked arteries, and the potential of stem cells for heart repair highlight the strides made in the last 100 years.
  • Mysteries Awaiting: Questions persist. Can we enhance the heart’s innate repair mechanisms? How do microbiomes influence heart health? The answers await in the coming decades.

Main Functions of the Heart in the Human Body:

  • The heart, often portrayed as an emblem of emotion, in reality, is a masterful pump, ensuring every cell in our body receives the vital nutrients it needs. Here’s a snapshot of its essential roles:
  • Pumping Blood: Its core function, the heart ensures oxygenated blood reaches every organ, tissue, and cell, while also gathering the deoxygenated blood for purification.
  • Supplying Oxygen & Nutrients: As blood circulates, it carries oxygen and vital nutrients to cells, ensuring their survival and function.
  • Removing Waste: Blood picks up waste products like carbon dioxide and metabolic by-products, transporting them to appropriate organs for elimination.
  • Hormonal Function: The heart releases atrial natriuretic peptide (ANP) which plays a role in regulating blood pressure and volume.
  • Maintaining pH and Ion Balance: Through circulation, the heart assists in stabilizing the body’s pH and maintaining ion equilibrium vital for cellular function.



The most thought perspective in our time(age).


A Chronicle of Heart Understanding Through the Ages:

  • Ancient Wisdom:
    • The Egyptians associated the heart with the soul and morality.
    • Hippocrates (c. 460 – c. 370 BC), the Greek physician, highlighted the heart’s role in circulating blood, albeit with some inaccuracies.
  • Medieval Musings:
    • Galen (c. 129 – c. 210 AD) built upon Hippocratic theories, suggesting blood was created in the liver and consumed by other organs.
    • In contrast, Ibn al-Nafis (1213-1288) in his writings corrected Galenic views, laying down rudiments for pulmonary circulation.
  • Renaissance to Enlightenment:
    • Andreas Vesalius (1514-1564) challenged and corrected several of Galen’s anatomical errors.
    • William Harvey (1578-1657) conclusively demonstrated the full circulatory system, describing how blood flows and the heart’s pumping role.
  • Modern Breakthroughs:
    • The 19th and 20th centuries witnessed advances like the stethoscope’s invention (1816) and Einthoven’s electrocardiograph (1903).
    • Heart transplants, pioneered in the 20th century, became a beacon of modern surgical capabilities.
    • Cellular and molecular studies in the late 20th and 21st centuries have unveiled pathways governing heart function.

Sources for this lesson:

  • Fuster, Valentin, and Robert A. O’Rourke. “Hurst’s the Heart.” McGraw-Hill, 2008.
  • Nuland, Sherwin B. “Doctors: The Biography of Medicine.” Vintage Books, 1995.
  • Major, Ralph H. “Classic Descriptions of Disease.” Springfield, 1932.
  • Pormann, Peter E., and Emilie Savage-Smith. “Medieval Islamic Medicine.” Georgetown University Press, 2007.
  • O’Malley, Charles Donald. “Andreas Vesalius of Brussels.” University of California Press, 1964.
  • Zimmer, Carl. “The Tangled Bank: An Introduction to Evolution.” Roberts & Company, 2009.
  • King, Lester S. “The Medical World of the Eighteenth Century.” University of Chicago Press, 1958.
  • West, John B. “Essay: A Century of Pulmonary Gas Exchange.” American Journal of Respiratory and Critical Care Medicine, 2016.
  • Braunwald, Eugene. “Heart Disease: A Textbook of Cardiovascular Medicine.” Saunders, 1992.
  • Lind, L. “The Worth of a Child.” University of California Press, 1996.
  • Schwartz, David. “Heartbeats and Heartaches: The Tapestry of Cardiology.” Hobart Press, 2003.
  • Katz, Arnold M. “Physiology of the Heart.” Lippincott Williams & Wilkins, 2011.
  • Silverman, Mark E. “Waves of the Heart: A History of the Electrocardiogram.” Arnold Publishers, 1998.
  • Netter, Frank H. “Atlas of Human Anatomy.” Saunders, 2014.
  • Opie, Lionel. “Heart Physiology: From Cell to Circulation.” Lippincott Williams & Wilkins, 2004.
  • Singh, Jagat Narula and D. “Coronary Plaque Imaging and Evaluation by Computed Tomography.” Future Medicine, 2013.
  • Lüscher, Thomas F. “The Endothelium: Modulator of Cardiovascular Function.” CRC Press, 1999.
  • Libby, Peter, Robert O. Bonow, Douglas L. Mann, and Douglas P. Zipes. “Braunwald’s Heart Disease: A Textbook of Cardiovascular Medicine.” Saunders, 2018.
  • Starling, Ernest. “The Linacre Lecture on the Law of the Heart.” Longmans, 1918.
  • Otto, Catherine M. “Textbook of Clinical Echocardiography.” Saunders, 2013.


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