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Course Details

Understanding and interpreting electrocardiogram (EKG) rhythms can be confusing and intimidating. However, this comprehensive EKG course is designed to simplify the subject, making it approachable and less overwhelming. In this course, we aim to simplify the fundamental concepts of how electrical impulses traverse the heart and manifest as distinctive patterns on the EKG waveform.

What Is An EKG

At its core, an EKG is a visual representation of the heart’s electrical activity, and comprehending it requires a fundamental understanding of cardiac physiology. Our course equips you with the essential knowledge to grasp this vital aspect of cardiology. We’ll guide you through the intricate journey of electricity within the heart, illustrating how it culminates in the characteristic EKG tracings.


One of the main challenges in EKG interpretation is deciphering various heart rhythms. This course specializes in demystifying the most prevalent and clinically significant cardiac rhythms you’ll encounter. Whether it’s normal sinus rhythm, atrial fibrillation, or ventricular tachycardia, we break down each rhythm into digestible components, ensuring that you not only recognize them but also comprehend the underlying physiological processes and potential clinical implications.

By The End of The EKG Course

By the end of this course, you’ll no longer find EKG interpretation intimidating or confusing. Instead, you’ll have the confidence to analyze EKGs effectively and understand the electrical events occurring within the heart. Our aim is to empower you with the knowledge and skills necessary to excel in this critical aspect of healthcare. So, join us on this journey to unlock the mysteries of EKG rhythms and gain the expertise to interpret them with ease.

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Course Info


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Course Lessons

EKG Course Summary

Upon completing this course, you’ll be well-prepared to discuss the basics of heart electricity, understand EKG waveforms, and interpret them. You’ll also be able to identify different heart rhythms, like sinus rhythms, unusual atrial rhythms, unusual ventricular rhythms, and heart blocks, and explain why they matter for patients. Plus, you’ll quickly spot life-threatening EKG patterns.

First, Understand EKG Waveforms

Firstly, you’ll get the hang of heart electricity’s fundamental principles. This knowledge will set the stage for grasping EKG waveforms, which are like the heart’s electrical language.

Second, Learn to Read EKG Graph

Next, you’ll learn how to break down the EKG waveform into its key parts – the P-wave, QRS complex, and T-wave. Understanding these components will be crucial for spotting any irregularities and explaining them accurately.

Third, Interpreting EKG Rhythms

Moreover, you’ll become skilled at interpreting various EKG rhythms, from normal ones to abnormal ones. You won’t just spot them; you’ll also understand why they’re important for a patient’s health. This knowledge will help you communicate effectively with medical teams for better diagnosis and treatment.

Recognize Life-Threatening EKG Patterns

One of the most essential skills you’ll gain is the ability to swiftly recognize life-threatening EKG patterns. This skill becomes critical in emergencies, where quick action can save lives. You’ll be able to identify dangerous signs on an EKG, like ventricular fibrillation or severe heart blocks, and take immediate life-saving steps.


To sum up, this course will empower you with a solid understanding of heart physiology, EKG interpretation, and the ability to draw vital medical insights from EKG data. This knowledge will not only boost your academic standing but also enable you to make meaningful contributions to patient care and safety in the world of cardiology and emergency medicine.

What is an EKG (ECG)

An electrocardiogram (EKG or ECG) is a medical test that records the electrical activity of the heart over a period of time. It is a diagnostic tool commonly used by healthcare professionals to assess the heart’s rhythm and electrical conduction, providing valuable information about the heart’s overall health and functionality.

Placing an EKG

During an EKG, electrodes or sensors are placed on specific points on the skin, typically on the chest, arms, and legs. These electrodes detect the tiny electrical signals generated by the heart as it contracts and relaxes. The electrical impulses are then amplified and displayed as a series of waves on a graph or monitor.

EKG Waveform

The resulting EKG waveform, often referred to as an electrocardiogram, represents the various phases of the cardiac cycle, including the depolarization (contraction) and repolarization (relaxation) of the heart’s chambers. Healthcare professionals analyze the EKG to identify abnormalities in the heart’s electrical activity, such as irregular rhythms (arrhythmias), conduction disturbances, ischemia (lack of blood flow to the heart muscle), and other cardiac conditions.

EKG Helps Diagnose Heart-Related Issues

EKGs are invaluable in diagnosing a wide range of heart-related issues, from minor disturbances to life-threatening conditions. They are frequently used in clinical settings, such as hospitals, clinics, and emergency rooms, as well as during routine check-ups and cardiac assessments. The information obtained from an EKG helps healthcare providers make informed decisions about treatment and interventions for patients with heart problems, ultimately contributing to better cardiac care and patient outcomes.

Key Lessons In This EKG Course

Lesson 03.01 – Normal Sinus Rhythm

In Lesson 03.01, titled “Normal Sinus Rhythm,” you will be expertly led through a concise six-step process for rhythm interpretation. This systematic approach will enable you to readily identify the distinctive features of a normal sinus rhythm. Characterized by its regularity and a heart rate falling within the 60 to 100 beats per minute range, this rhythm is defined by specific characteristics. The six steps outlined in this lesson will equip you with the skills needed to confidently recognize and analyze this vital cardiac rhythm.

Normal Sinus Rhythm

The initial step involves assessing the regularity of the rhythm, followed closely by determining the heart rate – two fundamental aspects of rhythm analysis. Subsequently, you will delve into evaluating the PQRS ratio, scrutinizing the PR interval, and examining the QRS complex. These steps serve as critical checkpoints in the process, helping you to systematically dissect the EKG data.

Lesson 03.02 – Sinus Bradycardia

In Lesson 03.02, titled “Sinus Bradycardia,” you will delve deeply into the intricacies of this cardiac rhythm anomaly. Sinus Bradycardia is characterized by a heart rate that falls below 60 beats per minute while adhering to the normal sinus rhythm pattern. The comprehensive exploration of this topic will unfold through a structured journey of six interpretive steps, providing you with a nuanced understanding.

Sinus Bradycardia

Throughout this lesson, you will acquire knowledge regarding the distinct clinical presentation of Sinus Bradycardia in patients. This will include insights into recognizing the subtle symptoms and signs associated with this condition, ultimately enhancing your diagnostic acumen.

By the end of Lesson 03.02, you will be well-equipped with the knowledge and skills required to identify, assess, and respond to Sinus Bradycardia, ensuring optimal patient care.

Lesson 03.05 – Atrial Fibrillation

In Lesson 03.05, titled “Atrial Fibrillation” or A-Fib, you’ll delve into the intricacies of this cardiac arrhythmia. Atrial fibrillation is characterized by a multitude of disorganized cells within the atria, generating excessive electrical impulses. This lesson, spanning 200 words, will provide you with a comprehensive understanding of A-Fib, its recognition on an EKG waveform, and essential clinical insights.

Atrial Fibrillation

You will become adept at identifying the EKG signature of atrial fibrillation, characterized by its irregular rhythm, rapid heart rate exceeding 300 beats per minute, and a distinctive wavy baseline, among other defining features. This skill is pivotal in promptly recognizing and differentiating this arrhythmia in clinical practice.

Furthermore, the lesson will illuminate the clinical presentation of patients with atrial fibrillation, ensuring you can recognize the signs and symptoms associated with this condition. Additionally, you will gain insights into nursing interventions tailored to manage A-Fib effectively, along with strategies for educating patients about their condition.