Harry T Harper Jr., M.D. School of Cardiac and Vascular Technology A Program of University Hospital’s Georgia Heart Institute CVT 103 - ELECTROPHYSIOLOGY I Fall 2004 Date Sept 28 (tue) Unit I Sept 30 (thu) Oct 5 (tue) Oct 7 (thu) 2 Topic Course Description A& P Reading Handout Chapter 1 Quiz A&P Chapter 1 A&P Chapter 1 The Electrocardiogram Components of the Electrocardiogram Chap 2 Chap 3 Oct 12 (tue) TEST 1 (A & P) Oct 19 (tue) Components of the Electrocardiogram Oct 26 (tue) TEST 2 (Chapters 1 & 2) Oct 28 (thu) ECG Interpretation Nov 1 (mon) MIDTERM Nov 2 (tue) TEST 3 (Chapters A & P, 1, 2 & 3 & 4 Comprehensive Midterm ) Nov 4 (thu) 3 Chap 3 Chap 4 Sinus Node Arrhythmias Atrial Arrhythmias Chap 5 Chap 6 Nov 9 (tue) Junctional Arrhythmias AV Blocks Chap 7 Chap 9 Nov 11 (thu) Holiday Nov 16 (tue) Quiz Ventricular Arrhythmias 4 Nov 18 (thu) TEST 4 (Chapters 5,6,& 7) Nov 22-26 Holiday Nov 30 Study Lab Dec 2 (thu) TEST 5 (Chapters 8 & 9) Dec 16 (tue) FINAL EXAM (Comprehensive) Revised 9/27/04 Chap 8 Harry T Harper Jr., M.D. School of Cardiac and Vascular Technology A Program of University Hospital’s Georgia Heart Institute CVT 103 - ELECTROPHYSIOLOGY I COURSE SYLLABUS Credit: 3 Instructor: Class Time: Lecture 2 hours/week Lab 2 hours/week Course Description: Introduces the field of cardiovascular technology, basic cardiac anatomy, physiology and electrophysiology. Introduces the concepts essential in the interpretation and management of cardiac arrhythmias. Laboratory experiences are provided. Professionlism and Work Ethics will be evaluated. Assignment Schedule: A schedule indicating class dates, lectures, units tests and final exam is provided to each student. Course Competencies: 1. Identify parts of the thoracic cage. a. b. c. d. e. 2. Sternum Ribs Mediastinum Pleura Pericardial sac Identify the major components of the cardio-vascular system. a. b. c. d. e. f. g. Revised 9/27/04 Thomas Great vessels Layers of the heart wall Cardiac chambers Cardiac valves Structure of coronary vessels Coronary anatomy All arteries and veins of the body 3. Describe basic cardiac hemodynamics. 4. Identify the major components of the vascular system. 5. Describe basic cardiac physiology. 6. Describe the conduction system. Textbooks: 1. 2. 3. 4. 5. 7. Describe the circulatory system. 8. Apply the five step method in analyzing and identifying the following arrhythmias. a. Normal sinus rhythm b. Sinus bradycardia c. Sinus tachycardia d. Sinus arrhythmia e. Sinus arrest f. Atrial escape beats g. Wandering atrial pacemaker h. Premature atrial contractions i. Atrial tachycardia j. Atrial flutter k. Atrial fibrillation l. Junctional escape beat/rhythm m. Premature junctional contraction n. Accelerated junctional rhythm o. Junctional tachycardia p. Junctional bradycardia q. First degree AV block r. Second degree type I AV block s. Second degree type II AV block t. Third degree AV block u. Ventricular escape beats v. Idioventricular rhythm w. Premature ventricular contractions x. Ventricular tachycardia y. Ventricular fibrillation z. Atrial and ventricular pacemaker rhythm Robert J. Huszar, Basic Dystryhymias - Interpretation and Management, third Edition, 2002 Netter H. Frank, The Ciba Collection, Volume 5 Tabers Medical Dictionary Marieb N. Elaine, Human Anatomy & Physiology – (optional) Class Policy Course Instructor: Patricia L. Thomas, MBA, RCIS, BSRT Tools and Supplies: Calipers and ECG workbook. Grading Procedure: Revised 9/27/04 Unit tests Midterm Quiz/Homework Final exam Work Ethics Total 30% 20% 10% 20% 20% 100% Work Ethics Grades: Evaluation Form Course Requirements: Complete all tests and performances with a 70% average. NOTE: If there is a student in this class who needs a testing or classroom accommodation due to a disability, please feel free to come to my office and discuss this with me. Revised 9/27/04 Harry T Harper Jr., M.D. School of Cardiac and Vascular Technology A Program of University Hospital’s Georgia Heart Institute CVT 103 - ELECTROPHYSIOLOGY I COURSE OUTLINE UNIT 1 ORIENTATION, CHAPTER 1 - ANATOMY AND PHYSIOLOGY OF THE HEART AND VESSELS OF THE BODY UNIT 2 CHAPTER 2 - THE ELECTROCARDIOGRAM CHAPTER 3 - COMPONENTS OF THE ELECTROCARDIOGRAM CHAPTER 4 - ECG INTERPRETATION UNIT 3 CHAPTER 5 - SINUS NODE ARRHYTHMIAS CHAPTER 6 - ATRIAL ARRHYTHMIAS CHAPTER 7 - JUNCTIONAL ARRHYTHMIAS UNIT 4 CHAPTER 8 - VENTRICULAR ARRHYTHMIAS CHAPTER 9 - AV BLOCKS Revised 9/27/04 CVT 103 - ELECTROPHYSIOLOGY I UNIT 1 OBJECTIVES ANATOMY AND PHYSIOLOGY OF THE HEART Upon completion of this unit of study, you should be able to complete the objectives using instructional materials and obtain a grade of 70% on a criterion referenced evaluation. 1. Describe the thoracic cavity and some of its anatomical features. 2. Discuss the four components of the thorax. 3. Name and identify the following anatomical features of the heart on an anatomical drawing: a. b. c. d. The four chambers of the heart The two main septa of the heart The three layers of the ventricular walls The base and apex of the heart 4. Name and identify the layers of the pericardium and it major space or cavity. 5. Define the right heart and left heart and the primary function of each with respect to the pulmonary and systemic circulations. 6. Name and locate on an anatomical drawing the following major structures of the circulatory system: the veins and arteries of the body the aorta, the pulmonary artery, the superior and inferior vena cava, the coronary sinus, the pulmonary veins, and the four valves. 7. Define (a) atrial systole and diastole and (b) ventricular systole and diastole. 8. Name and identify the parts of the electrical conduction system of the heart. 9. Name the two basic kinds of cardiac cells and give their functions. 10. Name and define the four properties of cardiac cells. 11. Describe a resting, polarized cardiac cell and a depolarized cardiac cell. 12. Define the following: a. b. c. Revised 9/27/04 Depolarization process Repolarization process Threshold potential 13. Name and locate on a schematic of a cardiac action potential the five phases of a cardiac potential. 14. Define and locate on an ECG the following: a. b. c. d. Absolute refractory period Relative refractory period Vulnerable period of repolarization Supernormal period 15. Explain the rationale behind the property of automaticity (spontaneous depolarization) and how the slope of phase 4 depolarization relates to the rate of impulse formation. 16. Define (a) dominant and latent pacemaker cells and (b) nonpacemaker cells. 17. Define and locate the primary, escape, and ectopic pacemakers of the heart. 18. Define inherent firing rate and give the inherent firing rates of the following: a. b. c. SA node AV junction Ventricles 19. Give three conditions under which an escape pacemaker may assume the role of pacemaker of the heart. 20. List and define the three basic mechanisms that are responsible for ectopic beats and rhythms. 21. Describe the part of the autonomic nervous system controlling the heart. 22. List the effects on the heart produced by the stimulation of the sympathetic and parasympathetic nervous system. CVT 103 - ELECTROPHYSIOLOGY I UNIT 2 OBJECTIVES THE ELECTROCARDIOGRAM COMPONENTS OF THE ELECTROCARDIOGRAM ECG INTERPRETATION Upon completion of this unit of study, you should be able to complete the objectives using instructional materials and obtain a grade of 70% on a criterion referenced evaluation. Revised 9/27/04 1. Explain what the electrocardiogram (ECG) represents. 2. Name and identify the components of the ECG, including the waves, complexes, segments, and intervals on an ECG. 3. List at least four causes of artifacts in the ECG. 4. Identify the measurements of time and distance as represented by the dark and light vertical and horizontal lines on the ECG grid. 5. Define the following components of the electrocardiogram: a. b. c. d. e. 6. QT interval R-R interval ST segment PR segment TP segment Normal P wave Abnormal P wave Ectopic P wave Normal QRS complex e. f. g. h. i. Abnormal QRS complex Normal T wave Abnormal T wave Abnormal T wave U wave Give the characteristics, description, and significance of the following intervals and segments: a. b. c. d. 8. f. g. h. i. j. Give the characteristics, description, and significance of the following waves and complexes: a. b. c. d. 7. P wave QRS complex T wave U wave PR interval Normal PR interval Abnormal PR interval QT interval R-R interval e. f. g. h. Normal ST segment Abnormal ST segment PR segment TP segment Define the following: a. b. c. d. e. f. g. P pulmonale P mitrale Retrograde conduction J point Prime (') Double prime (") Notch in the R or S wave Ventricular activation time j. k. l. m. n. o. p. Supraventricular arrhythmia Aberrant ventricular conduction (aberrancy) Anomalous AV conduction (preexcitation syndrome) Delta wave Ectopy QTc Torsades de pointes 9. List the five steps in determining an arrhythmia 10. List and describe the three steps in identifying and analyzing the QRS complexes. Revised 9/27/04 11. Determine heart rate and describe the following methods of determining it: a. b. c. d. Six second count method Heart rate calculator ruler method Triplicate method R-R intergal method seconds method small square method large square method conversion table method 12. List and describe two methods of determining the ventricular rhythm. 13. Define the following terms as they apply to ventricular rhythm: essentially regular and irregular. 14. List and describe the steps in identifying and analyzing the P, P', F and f waves. 15. Define the basic differences between the following components of the ECG, including shape, width, height, relationship to the QRS complexes, and rate and rhythm: a. b. c. d. Normal P wave Abnormal P wave Atrial flutter waves Atrial fibrillation waves "course" "fine" 16. List and describe the three steps in determining the PR and RP' intervals and the AV conduction ratio. 17. Define normal and abnormal PR inntervals. 18. Give the causes of a PR interval less than 0.12 second in duration and one greater than 0.20 second. 19. Define the following terms: a. b. c. d. e. f. 20. Atrioventricular block Variable AV block Isoelectric line Incomplete AV block Complete AV block First degree AV block g. h. i. j. k. l. m. Second degree AV block Third degree AV block Dropped beat Wenckebach phenomenon AV dissociation AV conduction ratio Anomalous AV conduction List the most likely site or sites of origin (or pacemaker sites) of arrhythmias under the following circumstances: a. Upright P waves preceding each QRS complex in Lead II. b. Negative P waves preceding each QRS complex in lead II. c. Negative P waves following each QRS complex in lead II. d. QRS complexes occurring along without P waves. Revised 9/27/04 e. f. g. h. i. Revised 9/27/04 Atrial flutter waves. Atrial fibrillation waves. Normal QRS complexes with no set relationship to the P waves. Slightly widened QRS complexes (0.10 to 0.12 second in duration) with no set relationship to the P waves. Widened QRS complexes (greater that 0.12 second in duration and bizarre) with no set relationship to the P waves. CVT 103 - ELECTROPHYSIOLOGY I UNIT 3 OBJECTIVES SINUS NODE ARRHYTHMIAS ATRIAL ARRHYTHMIAS JUNCTIONAL ARRHYTHMIAS Upon completion of this units of study, you should be able to complete the objectives using instructional materials and obtain a grade of 70% on a criterion referenced evaluation. 1. Define and give the diagnostic characteristics, cause, and clinical significance of the following arrhythmias: a. b. c. d. e. f. 2. Define and give the diagnostic characteristics, cause, and clinical significance of the following arrhythmias: a. b. c. d. e. f. 3. Normal sinus rhythm Sinus arrhythmia Sinus bradycardia Sinus arrest Sinoatrial block (SA exit block) Sinus tachycardia Wandering atrial pacemaker Premature atrial contractions Atrial tachycardia nonparoxysmal AT paroxysmal AT (PAT) Paroxysmal supraventricular tachycardia Atrial flutter Atrial fibrillation Define and give the diagnostic characteristics, cause, and clinical significance of the following arrhythmias: a. b. c. d. Revised 9/27/04 Premature junctional contractions Junctional escape rhythm Paroxysmal junctional tachycardia Nonparoxysmal junctional tachycardia accelerated junctional rhythm junctional tachycardia CVT 103 - ELECTROPHYSIOLOGY I UNIT 4 OBJECTIVES VENTRICULAR ARRHYTHMIAS AV BLOCKS Upon completion of this unit of study, you should be able to complete the objectives using instructional materials and obtain a grade of 70% on a criterion referenced evaluation. 1. Define and give the diagnostic characteristic, cause, and clinical significance of the following arrhythmias: a. b. c. d. e. f. 2. Premature ventricular contractions Ventricular tachycardia Ventricuar fibrillation Accelerated idioventricular rhythm Ventricualr escape rhythm Ventricular systole Define and give the diagnostic characteristics, cause, and clinical significance of the following arrhythmias: a. b. c. d. e. f. Revised 9/27/04 First degree AV block Second degree type I AV block Second degree type II AV block Second degree, 2:1 and high-degree (advanced) AV block Third degree (complete AV block) Pacemaker rhythm