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May 07, 2024
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2022-2023 Catalog [ARCHIVED CATALOG]
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CARD 205 - Introduction to Electrocardiography
PREREQUISITES: HLHS 101 - Medical Terminology and HLHS 102 - Essential Anatomy and Physiology or APHY 101 - Anatomy and Physiology I
COREQUISITES: HLHS 101 - Medical Terminology and HLHS 102 - Essential Anatomy and Physiology or APHY 102 - Anatomy and Physiology II
PROGRAM: Healthcare Specialist
CREDIT HOURS MIN: 3
LECTURE HOURS MIN: 2
LAB HOURS MIN: 2
DATE OF LAST REVISION: Fall, 2017
This course presents the rationale for obtaining an electrocardiogram as well as related theory including anatomy and physiology, procedural technique and equipment utilized. Students will be introduced to basic rhythm analysis including recognizing standard electrical waves and accurately measuring each normal sinus rhythm and basic arrhythmias. Cardiovascular drugs will also be addressed in this course.
MAJOR COURSE LEARNING OBJECTIVES: Upon successful completion of this course the student will be expected to:
- Describe the blood flow through the heart.
- Describe the conduction system of the heart.
- Identify the components of an EKG complex and relate each component to the physiology of the heart.
- Describe and name the twelve different EKG leads.
- Identify the anatomical landmarks necessary for proper electrode placement.
- Accurately measure each wave of an EKG complex.
- Describe characteristics of a normal sinus rhythm.
- Describe characteristics of basic arrhythmias.
- Demonstrate and understand the difference between a standard twelve-lead EKG and rhythm strip.
- Demonstrate technique required to obtain a twelve-lead electrocardiogram.
- Describe equipment and supplies used to perform an electrocardiogram.
- Discuss and demonstrate understanding of cardiovascular drugs/pharmacological drugs in the cardiovascular system.
COURSE CONTENT: Topical areas of study include -
The Anatomy of the Heart
- Location, size and shape of the heart
- Layers of the Heart
- Chambers of the heart
- Valves of the heart
- Arteries, Veins, and Capillaries
- Pulmonary Circulation
- Systemic Circulation
Cardiovascular Physiology
- Blood flow through the heart
- Cardiac Cycle
- Stroke Volume
- Cardiac Output
- Autonomic nervous system
- Receptors and neurotransmitters
Basic Electrophysiology
- Basic cell groups
- Primary cardiac cell characteristics
- Major electrolytes that affect cardiac function
- Movement of Ions
- Cardiac Depolarization
- Cardiac Repolarization
- Refractory Periods
- Electrical Conduction System
- SA Node
- Internodal Pathways
- Bachmann’s Bundle
- AV Node
- AV Junction
- Bundle of His
- Bundle Branches
- Purkinje’s Network
The Electrocardiogram
- Equipment and Supplies
- EKG Paper
- Machines
- Sensors
- Electrolyte pads
Miscellaneous supplies
- Guidelines for Electrocardiogram
- Room preparation
- Patient preparation
Electrical Basis of EKG
EKG Leads and placement
- Limb leads
- Chest leads
- Attachment of wires
- Elimination of artifacts
- EKG Waveforms
- P Wave
- PR Interval
- T Wave
- Performance of 12 Lead EKG
- Performance of rhythm strip
Basic Interpretation of an EKG Strip
- General Rules
- Calculation of heart rate
- ST Segment
- T wave
- QT Interval
- Normal P wave
- Artifacts
- Muscle
- Wandering baseline
- Alternating current
Interrupted baseline
- Sinus Rhythms
- Origin of the sinus rhythm
- Sinus Bradycardia rhythm
- Sinus Tachycardia rhythm
- Sinus Dysrhythmia
- Sinus Arrest Rhythm
- Clinical significance of Sinus rhythms
Junctional Rhythms
Ventricular Rhythms
- Ventricular Tachycardia
- Ventricular Fibrillation
- Premature Ventricular Contractions
- Ventricular Asystole
- Clinical significance of ventricular Dysrhythmias
- Heart Block Rhythms
- First-Degree heart block
- Second-Degree heart block
- Third-Degree heart block
Pacemaker Rhythms
- Atrial Fibrillation
- Atrial Flutter
- Cardiovascular Drugs
Course Addendum - Syllabus (Click to expand)
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