Conduction pathway in the heart
How Does Conduction System of the Heart Work? | New Health Ad…
• The intrinsic conduction system of the heart initiates depolarization impulses. • Action potentials spread throughout the heart, causing coordinated heart contraction. • An ECG wave tracing records the electrical activity of the heart. ** Now is a good time to go to quiz questions 3 and 4:
[DOC File]The Heart
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The ECG helps to determine if the conduction pathway is abnormal, if the heart is enlarged, and if certain regions are damaged. Figure 20.12 shows a typical ECG. In a typical Lead II record, three clearly visible waves accompany each heartbeat.
[DOC File]Cardiovascular System Function, Assessment and Therapeutic ...
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II. Pathway of circulation: Your Objectives. Differentiate between pulmonary circuit and systemic circuit: which side of the heart is involved in each and what is the purpose of each? Determine the complete pathway a drop of blood would take beginning in the superior and inferior vena cava Two events happen in a heart beat. 1.
[DOC File]Chapter 20
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A) anchors the heart to the diaphragm. B) includes a serous outer layer. C) includes a fibrous inner layer that is also called the epicardium. D) secretes a mucoid film that reduces friction between the heart and the chest wall. E) contains fluid between the fibrous and parietal serous layers. Answer: A. Reference: Page 696, Anatomy of the Heart
[DOC File]Intrinsic Conduction System
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Intrinsic Conduction System of the Heart: ( The heart does not depend on the nervous system to depolarize and contract, it has an inbuilt mechanism called the intrinsic cardiac conduction system, which consist of specialized non-contractile cells called pacemaker cells.
[DOC File]Cardiac Action Potential ADAM
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• The intrinsic conduction system of the heart initiates depolarization impulses. • Action potentials spread throughout the heart, causing coordinated heart contraction. • An ECG wave tracing records the electrical activity of the heart. ** Now is a good time to go to quiz questions 3 and 4:
[DOCX File]www.heartrhythmjournal.com
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3. Describe the cardiac conduction pathway: 4. Hormones of the heart: Epinephine: Aldosterone: ANP: 5. What is blood pressure? 6. What is clubbing? 7. What does a Homans sign assess for? Is it always accurate? 8. Where do you palpate the chest for PMI? 9. What are the sounds that you hear with the heart, and how are they made? 10, Briefly ...
[DOC File]Anatomy Review: The Heart - Grey Parrot
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Heart. 1. General information. A) Located within mediastinum, within the pericardial cavity. B) About the size of a fist. C) Cone-shaped – apex facing left hip. D) Main function is to pump blood. 2. Coverings of the heart. A) Surrounded by the pericardium – dual-walled structure. 1) Fibrous pericardium. a) Protects heart. b) Anchors it to ...
CHAPTER 20- The Cardiovascular System: The Heart
Here it receives oxygen and travels back to the heart. This pathway is the pulmonary circuit. The pathway for the systemic circuit includes the entire body as the left side of the heart pumps oxygen-rich blood out to the body's tissue and organs. ... • The intrinsic conduction system of the heart initiates depolarization impulses. • Action ...
[DOC File]Properties of Cardiac Muscle:
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heart conduction system/ or atrioventricular node/ or sinoatrial node/ or accessory atrioventricular bundle/ ... / or heart ventricle flutter/ or parasystole/ or reentry arrhythmia/ or heart muscle conduction disturbance/ or heart accessory conduction pathway/ or exp heart bundle branch block/ or interatrial block/ or torsade des pointes/) not ...
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