1、心脏解剖与生理内容,Normal Baroreflex,Baroreflex Failure,Resting quietly,Excitation,Fibrous Skeleton,Mitral Valve Apparatus,The Breast Duct,Ductal Cannulation,A microcatheter is inserted 1.5 cm into the duct. 1-2 cc of lidocaine is infused through the catheter.,Blood flow of the heart,Coronary Circulation,Lef
2、t Coronary Artery Anterior Descending Artery Circumflex Artery Right Coronary Artery Posterior Descending Artery Marginal Artery,Vascular System,Arterial System arteries arterioles capillaries Venous System venules veins,IV. A. Heart Circulation In/Out,4 Chambers Two Atria Left/Right Two Ventricles
3、Left/Right A septum separates right from left.,IV. A. Into the Heart,Superior and Inferior Vena Cava,Blood enters Right Atrium,Tricuspid Valve is open,Blood enters the Right Ventricle, Atria Contract,IV. A. Into the Lungs,Exits the heart through the Pulmonary Semi-Lunar Valve Ventricles Contract,Ent
4、ers Pulmonary Trunk,Into Pulmonary Veins to Lungs,IV. A. Return to Heart,From Lungs enters Pulmonary Arteries.,Enters Heart in Left Atrium,Bicuspid is open Blood flows into Left Ventricle Atria contract,IV. A. Into the Body,Ventricles contract Blood flows through Aortic Semi-Lunar Valve.,Blood enter
5、s Ascending Aorta,Aortic Arch,Descending Aorta,IV. B Vessels into the Body,From Aortic arch: Brachiocephalic Artery: to Right Arm & Head To head: Common Carotid Artery To Arm: Subclavian Artery Common Carotid Artery: to Left Head Subclavian Artery: to Left Arm Pulse in Common Carotid In arms pulse t
6、aken in Radial Artery,IV. B. Into the Body,Descending Aorta (Thoracic Aorta): To organs in the thorax. Descending Aorta (Abdominal Aorta): To organs in the abdomen. Aorta divides into Common Iliac Right and left External Iliacs feed right and left legs. Pulse: Femoral Artery and Dorsal Pedal.,IV. B.
7、 From the Body,Blood returns through the same named veins. Abdomen and legs return to Inferior Vena Cava. Arms: Subclavian Veins to Brachiocephalic veins. Head: Jugular Veins to Brachiocephalic. Brachiocephalics enter the Superior Vena Cava.,IV. B. To specific organs,1 Common Carotid A 2 Jugular V 3
8、 Subclavian 4 Brachiocephalic A 5 Brachiocephalic V 6 Aortic Arch,IV. B. To specific organs,7 Coronary A 8 Cardiac V 9 Superior Vena Cava 10 Inferior Vena Cava,IV. B. To specific organs,12 Gastric A 13 Splenic 14 Abdominal Aorta 15 Hepatic Portal V 16 Mesenterics 17 Renal,IV. B. To specific organs,18 Inferior Vena Cava 19 Gonadal Ovarian Testicular,IV. B. To specific organs,20 Common Iliac 21 Femoral,Nervous Regulation of Heart,Capillary Exchanges,Cross section of the thorax. The resistivity values are given for six different types of tissues.,Coronary Circulation,
