CORONARY CIRCULATION Flashcards
STATE THE MAIN ARTERIAL SUPPLY OF THE HEART.
RIGHT CORONARY ARTERY
LEFT CORONARY ARTERY
STATE THE ORIGIN OF THE RIGHT CORONARY ARTERY.
ASCENDING AORTA - RIGHT AORTIC SINUS
STATE THE COURSE OF THE RIGHT CORONARY ARTERY.
- RUN BETWEEN THE RIGHT AURICLE AND THE PULMONARY TRUNK.
- RUN TO THE RIGHT IN THE ANTERIOR PART OF THE ATRIOVENTRICULAR GROOVE.
- WINDS AROUND THE RIGHT MARGIN OF THE HEART
- RUN TO THE LEFT IN THE POSTERIOR PART OF THE ATRIOVENTRICULAR GROOVE
STATE THE TERMINATION OF THE RIGHT CORONARY ARTERY.
IT ANASTOMOSES WITH THE LEFT CORONARY ARTERY AT THE POSTERIOR PART OF THE ATRIOVENTRICULAR GROOVE.
STATE THE BRANCHES OF THE RIGHT CORONARY ARTERY AND ITS SUPPLY.
- SA NODAL BRANCHES - SA NODE
- RIGHT ATRIAL ARTERY - RIGHT ATRIUM
- RIGHT MARGINAL BRANCHES - RIGHT VENTRICLE AND THE APEX OF THE HEART
- POSTERIOR INTERVENTRICULAR DESCENDING ARTERY - POSTERIOR I/3 OF THE INTERVENTRICULAR SEPTUM, THE RIGHT VENTRICLE AND LEFT VENTRICLE (PARTLY)
- AV NODAL BRANCHES - AV NODE
STATE THE ORIGIN OF THE LEFT CORONARY ARTERY.
ASCENDING AORTA- LEFT AORTIC SINUS
STATE THE COURSE OF THE LEFT CORONARY ARTERY.
- RUN BETWEEN THE LEFT AURICLE AND THE LEFT SIDE OF THE PULMONARY TRUNK
- RUN TO THE LEFT IN THE ANTERIOR PART OF THE ATRIOVENTRICULAR GROOVE
- TERMINATE BY BRANCHING INTO TWO BRANCHES WHICH ARE LEFT ANTERIOR DESCENDING ARTERY AND LEFT CIRCUMFLEX BRANCES.
STATE THE BRANCHES OF LEFT CORONARY ARTERY.
- LEFT ANTERIOR DESCENDING ARTERY
- LEFT CIRCUMFLEX BRANCHES
STATE THE LOCATION OF THE LEFT ANTERIOR DESCENDING ARTERY.
RUNS IN THE ANTERIOR PART OF THE INTERVENTRICULAR GROOVE TOWARDS APEX
STATE THE ANASTOMOSES OF THE LEFT ANTERIOR DESCENDING ARTERY AND ITS BRANCHES TOGETHER WITH ITS SUPPLY.
- LEFT ANTERIOR DESCENDING ARTERY ANASTOMOSES WITH THE POSTERIOR INTERVENTRICULAR ARTERY.
- LEFT ANTERIOR DESCENDING ARTERY BRANCHED INTO DIAGONAL ARTERY.
- LEFT ANTERIOR DESCENDING ARTERY SUPPLY THE ANTERIOR 2/3 OF THE INTERVENTRICULAR SEPTUM, RIGHT AND LEFT VENTRICLE.
STATE THE LOCATION OF THE LEFT CIRCUMFLEX ARTERY.
AROUND THE LEFT MARGIN OF THE HEART IN THE CORONARY SULCUS TO THE POSTERIOR OF THE CORONARY SULCUS. THE LEFT CIRCUMFLEX BRANCHE TERMINATE BY ANASTOMOSE WITH THE RIGHT CORONARY ARTERY.
STATE THE BRANCHES OF LEFT CIRCUMFLEX ARTERY AND ITS SUPPLY.
- LEFT MARGINAL BRANCH - LEFT VENTRICLE
- SA NODAL BRANCH - SA NODE
CORONARY ARTERIES ARE (FUNCTIONAL/ ANATOMICAL) END ARTERIES.
FUNCTIONAL END ARTERIES
STATE THE COMMON SITE OF CORONARY OCCLUSION.
- LEFT ANTERIOR DESCENDING ARTERY (MAINLY)
- LEFT CIRCUMFLEX ARTERY (LEAST)
- RIGHT CORONARY ARTERY
VENOUS BLOOD FROM THE HEART IS DRAINED BY: (CLUE: 3 VEINS)
- GREAT CARDIAC VEIN AND ITS TRIBUTARIES
- ANTERIOR CARDIAC VEIN
- THEBESIAN VEIN
DESC CORONARY SINUS.
CORONARY SINUS
- IS THE LARGEST VEIN IN THE HEART
- IT IS FORMED BY THE UNION OF GREAT CARDIAC VEIN + OBLIQUE VEIN OF LA
- TERMINATED BY OPENING OF THE SMOOTH PART OF THE RA
- OPENING IS GUARDED BY THE THEBESIAN VALVE
STATE THE TRIBUTARIES OF CORONARY SINUS.
- GREAT CARDIAC VEIN
- MIDDLE CARDIAC VEIN
- SMALL CARDIAC VEIN
- POSTERIOR VEIN OF LEFT VENTRICLE
- OBLIQUE VEIN OF LEFT ATRIUM
STATE THE SUPPLIES OF EACH OF THE TRIBUTARIES OF CORONARY SINUS.
- GREAT CARDIAC VEIN - ANTERIOR PART OF THE INTERVENTRICULAR GROOVE, ANTERIOR PART OF CORONARY SULCUS
- MIDDLE CARDIAC VEIN - POSTERIOR PART OF THE INTERVENTRICULAR GROOVE
- SMALL CARDIAC VEIN - POSTERIOR PART OF THE CORONARY SULCUS BETWEEN THE RIGHT ATRIUM AND RIGHT VENTRICLE
- POSTERIOR VEIN OF LEFT VENTRICLE - DIAPHRAGMATIC SURFACE OF THE LEFT VENTRICLE
- OBLIQUE VEIN OF LEFT ATRIUM - POSTERIOR SURFACE OF THE LEFT ATRIUM
THEBESIAN VEIN DRAIN BLOOD FROM
MYOCARDIUM IN EACH CHAMBERS
SMALL CARDIAC EIN RUN WITH
RIGHT MARGINAL ARTERY
MIDDLE CARDIAC VEIN RUN WITH
POSTERIOR INTERVENTRICULAR ARTERY
GREAT CARDIAC VEIN RUN WITH
ANTERIOR INTERVENTRICULAR ARTERY
