ANAT30008 Heart and Pericardium.pdf

Heart and Pericardium Professor Jason Ivanusic Room E724 7th Floor, East Wing, Medical Building Email: [email protected] Phone: 83447254  WARNING This material has been provided to you pursuant to section 49 of the Copyright Act 1968 (the...

Heart and Pericardium Professor Jason Ivanusic Room E724 7th Floor, East Wing, Medical Building Email: [email protected] Phone: 83447254  WARNING This material has been provided to you pursuant to section 49 of the Copyright Act 1968 (the Act) for the purposes of research or study. The contents of the material may be subject to copyright protection under the Act. Further dealings by you with this material may be a copyright infringement. To determine whether such a communication would be an infringement, it is necessary to have regard to the criteria set out in Part 3, Division 3 of the Act.  Pulmonary arteries Lungs Pulmonary veins Base Veins Arteries Heart Apex Venules Arterioles 4 chambers 2 sides Capillary bed Author’s own  Heart rotates during development to assume its Left atrium position in the mediastinum Atrioventricular Right groove atrium Left ventricle Apex Interventricular Atrioventricular groove groove Author’s own Apex  Author’s own Superior Vena Cava Right atrium Superior Vena Cava Auricle Inferior Vena Cava Crista terminalis Inter-atrial septum Fossa ovalis Musculi pectinati Inferior Vena Cava Right atrioventricular Netter, F.H. Interactive Atlas of Human Anatomy. 3rd ed. Opening of Coronary orifice New Jersey, Icon Learning Systems, 2003, ISBN: 1-929007- 15-9, Plate #208A sinus  Author’s own Pulmonary trunk Right ventricle Right pulmonary Left pulmonary Pulmonary trunk artery artery Pulmonary semilunar valve Conus arteriosis Tricuspid valve Interventricular Chordae septum tendinae Septomarginal Trabeculae band carnae Papillary muscle (x3) Netter, F.H. Interactive Atlas of Human Anatomy. 3rd ed. New Jersey, Icon Learning Systems, 2003, ISBN: 1-929007-15-9, Plate #208B  Left atrium Author’s own Left atrium Left pulmonary Right pulmonary veins veins Auricle Right pulmonary veins Left pulmonary veins Left atrioventricular orifice Netter, F.H. Interactive Atlas of Human Anatomy. 3rd ed. New Jersey, Icon Learning Systems, 2003, ISBN: 1-929007-15-9, Plate #209A and B  Author’s own Left ventricle Aorta Chordae tendinae Aortic semilunar Trabeculae valve carnae Bicuspid valve Thickest myocardium Papilary muscle (x2) Netter, F.H. Interactive Atlas of Human Anatomy. 3rd ed. New Jersey, Icon Learning Systems, 2003, ISBN: 1-929007-15-9, Plate #209A and B Aortic vestibule Fetal heart and circulation Blood bypasses pulmonary circulation Foramen ovale – remains in adult as fossa ovalis Ductus arteriosis – remains in adult as ligamentum arteriosum First expansion of lungs results in closure of ductus arteriosus and foramen ovale Fibrous skeleton and valves of heart Pulmonary semilunar valve Aortic semilunar valve Fibrous skeleton Tricuspid valve Bicuspid valve During diastole During systole Netter, F.H. Interactive Atlas of Human Anatomy. 3rd ed. New Jersey, Icon Learning Systems, 2003, ISBN: 1-929007-15-9, Plate #210A&B  Nerve supply to heart Sympathetic Parasympathetic Increases heart rate and force of contraction Decreases heart rate Preganglionic fibres from T1-4 spinal cord segments Vagus nerve Postganglionic fibres from cervical and upper thoracic sympathetic ganglia Parasympathetic Cardiac nerves Sympathetic Cardiac nerves Cardiac plexus Netter, F.H. Interactive Atlas of Human Anatomy. 3rd ed. New Jersey, Icon Learning Systems, 2003, ISBN: 1-929007-15-9, Plate #214  Pain referred from heart Thoracic wall and proximal part of upper limbs Visceral sensory fibres from heart enter spinal cord at T1-T4 Author’s own Somatic afferent nerve Visceral afferent nerve fiber Nolte, J. The Human Brain. 5th ed., St. Louis, Mosby, 2002, ISBN: 0-323-01320-1, Figure 10.26 fiber Double layered membrane around heart is called serous pericardium Layers of Heart Visceral layer of serous Endocardium pericardium Parietal layer of serous Myocardium pericardium Pericardial space Epicardium Fibrous pericardium Central tendon of Pericardium diaphragm Author’s own Innervation of Pericardium Left Phrenic nerve Right Phrenic nerve Netter, F.H. Interactive Atlas of Human Anatomy. 3rd ed. New Jersey, Icon Learning Systems, 2003, ISBN: 1-929007-15-9, Plate #182A Pericardial Sinuses Transverse and oblique sinuses