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Overview of Systemic Veins

Overview of Systemic Veins

Systemic veins are crucial blood vessels that return deoxygenated blood from various body tissues back to the heart. There are three systemic veins that return deoxygenated blood to the heart, they are as follows.
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Coronary Circulation

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The heart, an organ critical to survival, gets nourishment not from the blood it pumps but from a separate circulation system known as coronary circulation. This is the shortest circulation in the body and is responsible for supplying the heart with the nutrients it needs to function effectively.
Coronary circulation begins at the base of the aorta, where two main arteries arise—the left and right coronary arteries. These arteries encircle the heart in the coronary sulcus and supply the...

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Veins

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Related Experiment Video

Updated: Jul 6, 2026

Anatomical Reconstructions of the Human Cardiac Venous System using Contrast-computed Tomography of Perfusion-fixed Specimens

Anatomical Reconstructions of the Human Cardiac Venous System using Contrast-computed Tomography of Perfusion-fixed Specimens

Published on: April 18, 2013

Anomalous great cardiac vein.

Beth M Olearczyk¹, Dhananjai J Menzies, Patrick H McNulty

¹Bassett Research Institute, Mary Imogene Bassett Hospital, Cooperstown, New York 13326, USA.

Journal of Cardiac Surgery

|March 22, 2008

Summary

Rare coronary venous anomalies, like a great cardiac vein draining into the superior vena cava, are critical for cardiac surgeons. Pre-intervention imaging may improve patient safety during procedures.

Area of Science:

Cardiovascular Anatomy
Interventional Cardiology
Cardiac Surgery

Background:

Anomalous coronary venous anatomy is understudied and crucial for interventions assuming normal venous structures.
Recognizing anomalies disconnecting myocardium from the coronary sinus is vital for cardiothoracic surgeons.
Retrograde cardioplegia and coronary venous retroperfusion rely on intact coronary sinus connections.

Observation:

A rare case of an anomalous great cardiac vein is presented.
This anomalous vein bypassed the coronary sinus.
The vein drained directly into the superior vena cava.

Findings:

The study details a specific coronary vein anomaly.
The great cardiac vein's unusual drainage pattern was identified.

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Anatomical Reconstructions of the Human Cardiac Venous System using Contrast-computed Tomography of Perfusion-fixed Specimens

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Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava

Image Acquisition Method for the Sonographic Assessment of the Inferior Vena Cava

Published on: January 13, 2023

This finding highlights a deviation from typical coronary venous anatomy.

Implications:

Antecedent imaging of the coronary venous system may be beneficial.
Pre-procedural imaging could enhance patient safety in cardiac interventions.
Understanding rare venous anomalies is critical for surgical planning and success.