Anatomy Of The Heart Flashcards
Heart Borders
Right border: right atrium
Left border: left ventricle and some left atrium
Anterior surface: Mostly right ventricle, some right atrium on right side and some left ventricle on left side.
Posterior Surface: left atrium
Diaphragmatic surface: mostly left ventricle, some right ventricle
Upper right corner of the heart is behind the right _____ costal cartilage at the _______ _______.
Lower right corner of the heart is behind the right ____ costal cartilage at the _______ _______.
Upper left corner of the heart is behind the left _____ costal cartilage at the _______ _______.
Lower left corner of the heart is behind the left _____ costal cartilage at the _______ _______.
Upper right corner of the heart is behind the right THIRD costal cartilage at the STERNAL BORDER.
Lower right corner of the heart is behind the right SIXTH costal cartilage at the STERNAL BORDER.
Upper left corner of the heart is behind the left SECOND costal cartilage at the STERNAL BORDER.
Lower left corner of the heart is behind the left FIFTH costal cartilage at the MIDCLAVICULAR LINE.
The coronary sulcus contains: \_\_\_\_\_ \_\_\_\_\_ artery \_\_\_\_\_\_\_ artery \_\_\_\_\_\_ sinus \_\_\_\_\_ \_\_\_\_\_ vein
The coronary sulcus contains: R CORONARY artery CIRCUMFLEX (FROM LEFT CORONARY) artery CORONARY sinus GREAT CARDIAC vein
The anterior interventricular sulcus contains ____ _______ artery and ____ ____ vein
The anterior interventricular sulcus contains ANTERIOR INTERVENTRICULAR artery and GREAT CARDIAC vein
The anterior interventricular sulcus contains _____ ______ artery and _____ _____ vein
The anterior interventricular sulcus contains POSTERIOR INTERVENTRICULAR artery and MIDDLE CARDIAC vein
Atrial systole precedes ventricular systole by about ___ sec
Atrial systole precedes ventricular systole by about 0.15 sec
Tricuspid valve is between:
Mitral valve is between:
Tricuspid valve is between: R ATRIUM AND R VENTRICLE
Mitral valve is between: L ATRIUM AND L VENTRICLE
The tricuspid valve is heard best over the _____ ventricle in the _____ _____ intercostal space at the ____ ______ _____.
The mitral valve is heard best over the left ventricle in the _____ ____ intercostal space about 3 inches to the ____ of the _____.
The aortic valve is heard best over the ascending aorta in the ______ ______ intercostal space at the _____ ____ _____.
The pulmonic valve is heard best over the pulmonary trunk in the _____ ____ or ______ intercostal space at the ______ _______ ______.
The tricuspid valve is heard best over the RIGHT ventricle in the LEFT FIFTH intercostal space at the LEFT STERNAL MARGIN.
The mitral valve is heard best over the left ventricle in the LEFT FIFTH intercostal space about 3 inches to the LEFT of the STERNUM.
The aortic valve is heard best over the ascending aorta in the RIGHT SECOND intercostal space at the RIGHT STERNAL MARGIN.
The pulmonic valve is heard best over the pulmonary trunk in the LEFT FIRST or SECOND intercostal space at the LEFT STERNAL MARGIN.
Tricuspid and mitral valves are open during ______, so stenosis will cause ______ murmurs.
If incompetent, there will be a ______ murmur from either of these valves.
Pulmonic and aortic valves are open during _____, so stenosis will cause _______ murmurs.
If incompetent, there will be a _____ murmur from either of these valves.
Tricuspid and mitral valves are open during DIASTOLE, so stenosis will cause DIASTOLIC murmurs.
If incompetent, there will be a SYSTOLIC murmur from either of these valves.
Pulmonic and aortic valves are open during SYSTOLE, so stenosis will cause SYSTOLIC murmurs.
If incompetent, there will be a DIASTOLIC murmur from either of these valves.
Smooth walled area in atrium is derived from embryonic ____ near heart. Right ____ _ ____ ____ in right atrium and _______ vein in left atrium.
Rough walled area in atrium are pectinate muscles derived from ____ ____.
Fossa ovalis is on the ____ atrial side of _____ ____.
Crista terminalis marks the embryonic junction of _____ _____ and _____ _____.
The valve of IVC is a ridge of tissue in the ___ ___ to the ___ of th eorifice of the ______ that in the embryo directed blood from _____ to the _____.
Orifice of coronary sinus is in the _____ atrium to the left of the _____. Venous return from most of _____. Derived from _____ portion of _____ _____.
Smooth walled area in atrium is derived from embryonic VEINS near heart. Right HORN OF SINUS VENOSUS in right atrium and PULMONARY vein in left atrium.
Rough walled area in atrium are pectinate muscles derived from PRIMITIVE ATRIUM.
Fossa ovalis is on the RIGHT atrial side of ATRIAL SEPTUM.
Crista terminalis marks the embryonic junction of SINUS VENOSUS and PRIMITIVE ATRIUM.
The valve of IVC is a ridge of tissue in the RIGHT ATRIUM to the LEFT of the orifice of the ICV that in the embryo directed blood from IVC to the FORAMEN OVALE.
Orifice of coronary sinus is in the RIGHT atrium to the left of the IVC. Venous return from most of MYOCARDIUM. Derived from CENTRAL portion of SINUS VENOSUS.
Smooth walled area of ventricles are derived from embryonic _____ near heart (____ ____)
Rough walled area of ventricles are called the ____ ____ and they are derived from ______ ______ and proximal part of ____ ____ (_).
Papillary muscles are continuous with ______ ____ _____.
Chordae tendinae prevent _____ of ___ ______.
Septomarginal trabecula of the _____ ventricle connects the ventricular septum to the base of the ____ ____ ____. Contains ____ ____ from the ____ bundle branch. Provides pathway for ____ ____ to reach the _____ _____ ______.
Smooth walled area of ventricles are derived from embryonic ARTERY near heart (CONUS CORDIS)
Rough walled area of ventricles are called the TRABECULAE CARNEAE and they are derived from PRIMITIVE VENTRICLE and proximal part of BULBUS CORDIS (R).
Papillary muscles are continuous with VENTRICULAR WALL MUSCLE.
Chordae tendinae prevent PROLAPSE of A-V VALVES.
Septomarginal trabecula (MODERATOR BAND) of the RIGHT ventricle connects the ventricular septum to the base of the ANTERIOR PAPILLARY MUSCLE. Contains PURKINJE FIBERS from the RIGHT bundle branch. Provides pathway for PURKINJE FIBERS to reach the ANTERIOR PAPILLARY MUSCLE.
Membranous ventricular septum is derived from ___________ septum and _______ ______.
Membranous ventricular septum is derived from AORTICOPULMONARY septum and ENDOCARDIAL CUSHIONS.
The R coronary artery anastamoses with _____ artery. It supplies the ____ _____, _____ _____, _____ ____, and usually ___ _____ and ___ ____.
The R coronary artery anastamoses with CIRCUMFLEX artery. It supplies the R ATRIUM, R VENTRICLE, INTERATRIAL SEPTUM, and usually SA and AV NODES.
The posterior interventricular artery anastamoses with the _______ ______ artery. It supplies the ____ and ____ ______.
The posterior interventricular artery anastamoses with the ANTERIOR INTERVENTRICULAR artery. It supplies the LEFT and RIGHT VENTRICLES.
Right marginal artery supplies the right ______.
Right marginal artery supplies the right VENTRICLE.
The L coronary artery arises from the left side of _____ and passes behind _____ ____ and anterior to left _____ to reach the ______ ______. There, it divides into the ______ and the _______ ______.
The L coronary artery arises from the left side of AORTA and passes behind PULMONARY TRUNK and anterior to left AURICLE to reach the CORONARY SULCUS. There, it divides into the LAD and the CIRCUMFLEX.
Anterior interventricular artery supplies _____ and _____ _______ and the ______ _____.
Anterior interventricular artery supplies LEFT and RIGHT VENTRICLES and the INTERVENTRICULAR SEPTUM.
Circumflex artery lies in ____ _____ and supplies the ___ ____ and ____ _______.
Circumflex artery lies in CORONARY SULCUS and supplies the LEFT ATRIUM and LEFT VENTRICLE.
A left dominant heart is one in which the ______ _____ ____ arises from the circumflex.
A left dominant heart is one in which the POSTERIOR INTERVENTRICULAR ARTERY arises from the circumflex.
Intrinsic heart venous drainage:
_____ veins drain into _____ _____, which drains into ____ atrium.
Tiny amount of venous drainage does not enter ____ _____. ____ ____ veins which drain into ____ atrium and ____ ____ veins drain into all chambers.
Intrinsic heart venous drainage:
CARDIAC veins drain into CORONARY SINUS, which drains into RIGHT atrium.
Tiny amount of venous drainage does not enter CORONARY SINUS. ANTERIOR CARDIAC veins which drain into RIGHT atrium and LEAST CARDIAC VEINS veins drain into all chambers.
Cardiac conduction system does NOT consist of _____.
SA node is located in the _____ of the ____ atrium near the entrance for the _____.
Cardiac conduction system does NOT consist of NERVES.
SA node is located in the SUBEPICARDIUM of the RIGHT atrium near the entrance for the SVC.
AV node is located in the __________ of the _____ side of the _____ _____. It ____ wave of depolarization as it passes through the node to the ______.
AV node is located in the SUBENDOCARDIUM of the RIGHT side of the INTERATRIAL SEPTUM. It RETARDS wave of depolarization as it passes through the node to the BUNDLE.
AV bundle are ____ ____ that leave the AV node and pass through the heart to reach the _______ _____. It’s the only connection between _____ and _______.
AV bundle are CONDUCTING FIBERS that leave the AV node and pass through the heart to reach the INTERVENTRICULAR SEPTUM. It’s the only connection between ATRIA and VENTRICLES.
Preganglionic sympathetic nerves arise from the upper _____ ___. These fibers synapse in the _____ and ____ ______ sympathetic ganglia, from which arise the postganglionic sympathetic neuron cell bodies. They travel from the sympathetic ganglia to the heart via the _____ _____.
Preganglionic sympathetic nerves arise from the upper THORACIC SC. These fibers synapse in the UPPER THORACIC and CERVICAL sympathetic ganglia, from which arise the postganglionic sympathetic neuron cell bodies. They travel from the sympathetic ganglia to the heart via the CARDIAC NERVES.
