Conduction system of the heart quizlet
[DOC File]Answer Key to Short Answer Questions for
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Caleb has abnormal heart sounds that tipped the doctor off to a problem. Name the normal sounds of the heart and indicate what causes these sounds. S1 is the first heart sound or "lub" and occurs due to closure of the atrioventricular (tricuspid and bicuspid) valves.
[DOC File]Jones & Bartlett Learning
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3. The heart’s electric conduction system also deteriorates over time. a. The number of pacemaker cells in the sinoatrial node decreases with age. b. Changes in conduction system may lead to bradycardia, contributing to cardiac output decline. c. Other …
[DOC File]Nursing CEUs Online - No Test Required | NurseCe4Less.com
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The heart’s conduction system consists of specialized cells that send messages between various portions of the cardiac muscle, which stimulate it to contract. Normally, the conduction impulses begin in the sinoatrial (SA) node, which is located in the right atrium at the junction of the right atrium and the superior vena cava. ...
Worksheet - Parker University
2. How would this condition affect heart rate? 3. Would this rhythm usually be described as regular or . irregular. III. Atrioventricular Blocks. A. First degree A-V block. 1. If the P-R interval is greater. than 0._____seconds it is considered. to be a 1st degree A-V block. 2. What part of the cardiac conduction. System would have slow ...
[DOC File]Chapter 18 & 19 Test Review – Anatomy & Physiology of the ...
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1. Describe the covering surrounding the heart. 2. Name and briefly describe the 3 layers of the heart wall from superficial to deep. 3. Describe the anatomical landmarks of the heart (chambers, valves, major vessels, etc). 4. Give the pathway of blood through the circulatory system. 5. Which arteries supply blood to the heart?
[DOCX File]A4.3.4.CardiacOutput
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Damage to the conduction system of the heart. A blockage in one of the coronary arteries. Author: Stephanie Poll Created Date: 01/07/2013 11:16:00 Title: A4.3.4.CardiacOutput Subject: HBS - Unit 4 - Movement Keywords: pulse, heart rate Last modified by: Curriculum Laptop Company:
[DOC File]Chapter 13 The Cardiovascular System
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Heart block. Heart Disease as a Disturbance of Cardiac Function. CONGENITAL HEART DISEASE. Classification. Failure of fetal bypass channels to close normally. Abnormal communication between cardiac chambers. Abnormalities that impede blood flow through the cardiovascular system. Abnormal division of truncus arteriosus:
[DOC File]Basic EKG Dysrhythmia Identification
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Physiology of Cardiac Conduction. In an adult with a healthy heart, the heart rate is usually about 72 beats per minute. The excitatory and electrical conduction system of the heart is responsible for the contraction and relaxation of the heart muscle. The sinoatrial node (SA node) is the pacemaker where the electrical impulse is generated.
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