Cardiac conduction anatomy
[DOC File]CARDIAC SURGERY I
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Title: Cardiac Conduction Practice Worksheet Author: John Girard Last modified by: John Girard Created Date: 8/4/2007 5:35:00 PM Company: Plainville High School
[DOC File]Cardiovascular System - Gavilan College
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d) blood viscosity e) cardiac output. 9. Veins and arteries meet at _____, where nutrients are exchanged with body tissues. 10. Describe the function of the sinoatrial node and trace the path of a nerve (cardiac) impulse through the cardiac conduction system. What is the pacemaker? _____ What fibers cause a contraction in the ventrice? _____ 11.
Cardiac conduction system - Health Video: MedlinePlus Medical En…
Cardiac Conduction. Anatomy. SA Node (sinoatrial) “the pacemaker” AV Node (atrioventricular) Bundle of HIS or AV bundle—down the ventricular septum; insulated. Purkinje fibers non-insulated and feed into R/L ventricles. Process of cardiac conduction – electrical impulses that control heart function
ALG: UGA Anatomy and Physiology 2 Lab Manual
Conduction Velocity: A d2V Θ = conduction velocity I = capacitance. Θ2 = ---- ----- A = cross-sectional area d2V/dt2 = second derivative. 2RI dt2 R = resistance of membrane voltage to time. Law of Laplace: 2HT P = pressure T = wall tension. P = ----- H = wall thickness r = chamber radius. r …
[DOC File]STUDY GUIDE - CARDIOVASCULAR SYSTEM
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UGA Anatomy and Physiology 2 Lab Manual. DeLoris Hesse. University of Georgia, ... • Relate the phases of the cardiac cycle with the action of the conduction system that causes the events of the cardiac cycle ... Cardiac Conduction System (Section 19.2.2: Conduction System of the Heart) (Figure 19.18: Conduction System of the Heart) ...
[DOC File]The Cardiovascular System: The Heart
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E. Cardiac Conduction System . 1. Specialized cardiac muscle tissue conducts impulses throughout the myocardium and comprises the cardiac conduction system. 2. A self-exciting mass of specialized cardiac muscle called the sinoatrial node (S-A node or pacemaker), located on the posterior right atrium, and generates the impulses for the heartbeat. 3.
[DOC File]Cardiac Conduction Practice Worksheet
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Cardiac cell structure. Small discrete cells. Intercalated disks with desmosomes. Gap junctions = syncytium. Many mitochondria. Sr and t tubules. Striated. Figure 12.7: Cardiac Muscle Cells. Fig 12.8: Cardiac Conduction System. Electrical Activity of the Heart. Fig 12.10: Pacemaker Cell. Ion channels in pacemaker cells: see page 381
[DOC File]Heart Anatomy and Cardiac Muscle Cell Structure
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Cardiac cycle. Modifiable and nonmodifiable risk factors. Sa, av, bundle of his rates. Preload and after load. Cardiac output. Stroke vol. Where is the heart located using anatomy. Purpose of the chordae tendineae and papillary muscles. What part of the brain has some control over the heart. ...
[DOC File]Conduction system
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Cardiac Muscle Contraction. Heart muscle: • Is stimulated by nerves and self-excitable • Contracts as a unit • Has a long absolute refractory period • Cardiac muscle contraction is similar to skeletal muscle contraction. Effective Refractory Period. Allows ventricles to …
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