Heart Anatomy

What organ do you think this is?

Basic Structure of the Heart
Ashley Davidoff MD TheCommonVein.com 06570c02.8heart

1. Findings


Cubism and the Normal heart
Artistic rendering of the normal 4 chambered heart
Ashley Davidoff MD (art) TheCommonVein.com
(heart-0129)

Question:
“What organ do you think this is?”

Once guessed — e.g., theorgan (unit) is the  heart Is the most basic unit — the learner is guided to analyze it using SSPCT + C.


📊 USSPCT + C Prompt & Basic Answers (Example: The Heart)

Element Guided Prompt Basic Answer (Anatomical Perspective)
S – Size Relative to body structures, what is its size? Roughly the size of a fist; about 250–350g
S – Shape Describe its form. Symmetrical? Unique shape? Cone-shaped; asymmetrical with a broader base and pointed apex
P – Position Where is it located in the body? In the middle mediastinum, slightly left of midline, behind sternum
C – Character What are its physical properties (tissue, layers)? Muscular, contractile tissue (myocardium); enclosed by a double-layered pericardium
T – Time How does it develop (embryology)? How does it age? Arises from mesoderm → single tube → loops to form 4 chambers. Aging may lead to fibrosis, LV hypertrophy, reduced compliance
C – Connections What are its key anatomical connections?
— Blood Supply What arteries supply it? Right and left coronary arteries (RCA, LCA)
— Venous Drainage How is blood drained? Coronary sinus → right atrium
— Lymphatic Drainage Where does lymph drain? Follows coronary arteries → mediastinal lymph nodes
— Nerve Supply How is it innervated? Sympathetic: T1–T5; Parasympathetic: Vagus nerve (CN X)

In the TCV model, every biological structure follows a core life principle — Receive → Process → Export.

The heart is a functional structure and therefore it conforms to the principles of all other functional structures. In keeping with these principles it therefore receives a product, processes it and then exports the product. In the case of the heart, it receives blood, accumulates an adequate volume while it relaxes and then gathers forces to export it by contraction. Courtesy of: Ashley Davidoff, M.D

Receive, Process, Produce, and Export “Anatomy of Cell Function;-receive, process/produce, and export “ shows the basic process involved in human liver cellular function The cell receives, processes, and exports. The complexity of these three basic functions will unfold not only in the cell but in all functional systems. The style is reminiscent of surrealism. by Ashley Davidoff MD

heart-anatomy-P-006.jpg.

  • The heart receives blood — deoxygenated blood into the right atrium and oxygenated blood into the left atrium.
  • It stores and processes blood briefly within its chambers.
  • It exports blood through pumping:
    • The right side of the heart pumps deoxygenated blood to the lungs via the pulmonary artery for oxygenation.
    • The left side pumps oxygenated blood to the body through the aorta. This function reflects the central TCV principle: each unit receives, transforms, and contributes to the greater unity of the whole organism.
  • Definition

    Category Detail
    What is it? A muscular pump in the cardiovascular system responsible for circulating blood throughout the body.
    Structurally Characterized by: Four chambers (two atria, two ventricles), atrioventricular and semilunar valves, and enclosed by a two-layered pericardium.
    Functionally Important because: It maintains systemic and pulmonary circulation by rhythmically contracting to propel blood.
    Common Diseases Ischemic heart disease, valvular heart disease, cardiomyopathy, pericarditis, congenital heart defects.
    Diagnosis Clinical: Chest pain, fatigue, murmurs, dyspnea
    Imaging: Echocardiography, chest X-ray, CT, MRI
    Lab: Troponins, CK-MB, BNP, inflammatory markers
    Commonly Used Therapies Medications (e.g., beta-blockers, ACE inhibitors), stenting, valve repair, bypass surgery, transplantation

What are the most basic parts of the heart ?