Middle cardiac vein

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Middle cardiac vein
Base and diaphragmatic surface of heart. (Middle cardiac vein labeled at bottom.)
ARTERIES: RCA = right coronary AB = atrial branches SANB = sinuatrial nodal RMA = right marginal LCA = left coronary CB = circumflex branch LAD/AIB = anterior interventricular LMA = left marginal PIA/PDA = posterior descending AVN = atrioventricular nodal VEINS: SCV = small cardiac ACV = anterior cardiac AIV/GCV = great cardiac MCV = middle cardiac CS = coronary sinus
Details
Drains to	Coronary sinus
Artery	Posterior interventricular artery
Identifiers
Latin	vena cardiaca media, vena cordis media
TA98	A12.3.01.009
TA2	4165
FMA	4713
Anatomical terminology [edit on Wikidata]

The middle cardiac vein commences at the apex of the heart. It passes posteriorly along the inferior interventricular sulcus to end at the coronary sinus near the sinus' termination.^[1]

Structure

The middle cardiac vein commences at the cardiac apex (here, it is contiguous with the great cardiac vein, thus forming - along with the coronary sinus - a complete venous circle).^[1]

The middle cardiac vein has a constant location on the surface of the ventricles.^[2]

The middle cardiac vein is useful for epicardial access to the inferior side of the ventricles.^[3]

^ ^a ^b Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42nd ed.). New York. p. 1093. ISBN 978-0-7020-7707-4. OCLC 1201341621.{{cite book}}: CS1 maint: location missing publisher (link)
^ Worley, Seth J. (2017-01-01), Ellenbogen, Kenneth A.; Wilkoff, Bruce L.; Kay, G. Neal; Lau, Chu-Pak (eds.), "30 - Coronary Sinus Lead Implantation", Clinical Cardiac Pacing, Defibrillation and Resynchronization Therapy (Fifth Edition), Elsevier, pp. 739–834, ISBN 978-0-323-37804-8, retrieved 2021-01-08
^ Issa, Ziad F.; Miller, John M.; Zipes, Douglas P. (2012-01-01), Issa, Ziad F.; Miller, John M.; Zipes, Douglas P. (eds.), "Chapter 27 - Epicardial Ventricular Tachycardia", Clinical Arrhythmology and Electrophysiology: A Companion to Braunwald's Heart Disease (Second Edition), Philadelphia: W.B. Saunders, pp. 608–617, ISBN 978-1-4557-1274-8, retrieved 2021-01-08

Anatomy figure: 20:04-05 at Human Anatomy Online, SUNY Downstate Medical Center - "Posterior view of the heart."

Coronary sinus	Great cardiac (Left marginal) Posterior of the left ventricle Oblique of the left atrium (Ligament of the left vena cava) Middle cardiac
Small cardiac vein	Anterior cardiac (Right marginal)

Lungs

Brachiocephalic	internal thoracic anterior intercostal superior epigastric left superior intercostal supreme vertebral subclavian axillary: lateral thoracic thoracoepigastric dorsal scapular external jugular pericardiacophrenic internal jugular
Azygos	right superior intercostal bronchial intercostal/posterior intercostal 5-11 accessory hemiazygos/hemiazygos superior phrenic

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