Ecg Essentials 2025

Learn Cardiac Rhythms, Waveforms, Interpretation, and Clinical ECG Skills for Healthcare Professionals

What you'll learn

Understand ECG basics, cardiac conduction, and how heart signals are recorded and displayed in a 12-lead ECG.

Identify ECG waveforms (P, QRS, T), intervals, and segments with confidence and accuracy.

Detect and interpret arrhythmias, heart blocks, and ischemic changes using real ECG examples.

Apply ECG skills in clinical settings with proper lead placement, recording, and error recognition.

Requirements

No prior medical or ECG knowledge is required. Just bring your curiosity and willingness to learn!

Description

Electrocardiography (ECG) is a fundamental skill for anyone involved in healthcare, from students and nurses to paramedics and clinicians. This comprehensive ECG Essentials course is designed to provide you with a clear, practical, and easy-to-understand introduction to the world of ECG interpretation. Whether you’re new to ECG or looking to refresh your knowledge, this course will equip you with the essential skills to confidently read and analyze ECGs in clinical practice.You will begin by exploring the basic principles of cardiac electrophysiology, learning how the heart generates electrical signals that create the ECG waveform. Understanding the cardiac cycle and action potentials lays a strong foundation to interpret the heart’s electrical activity accurately. The course then guides you through the essential components of the ECG tracing — the P wave, QRS complex, T wave, intervals, and segments — and teaches you how to identify normal versus abnormal patterns.A key focus is placed on recognizing common cardiac rhythms and abnormalities, including arrhythmias, conduction blocks, and ischemic changes. You will learn to differentiate critical ECG findings in acute settings such as STEMI and NSTEMI, which are vital for prompt diagnosis and management. Additionally, the course covers practical aspects of ECG machine operation, including proper lead placement, machine calibration, and tips to avoid common recording errors.Special clinical situations, such as interpreting ECGs in patients with electrolyte imbalances, drug effects, or pacemakers, are also addressed to prepare you for real-world scenarios. Interactive examples, case studies, and quizzes throughout the course reinforce your understanding and help you apply theory to practice.By the end of this course, you will have the confidence and competence to interpret ECGs accurately, supporting better clinical decisions and improved patient care. No prior medical background is needed — just a willingness to learn and improve your skills in this essential diagnostic tool.Enroll today and take the first step toward mastering ECG interpretation!

Overview

Section 1: Introduction

Lecture 1 Introduction

Section 2: Cardiac Action Potential and Cardiac Cycle

Lecture 2 Cardiac Action Potential and Cardiac Cycle

Section 3: The History and Evolution of ECG

Lecture 3 ECG and History

Section 4: Understanding the ECG Machine and Recording Process

Lecture 4 Understanding the 12-Lead ECG: Limb Leads, Chest Leads, and Einthoven’s Triangle

Lecture 5 Electrode and Lead Placement for a 12-Lead ECG

Lecture 6 Understanding the Components of the ECG Waveform

Lecture 7 ECG Paper, Calibration, Paper Speed, and How the Machine Works

Lecture 8 Types of ECG Machines: Channels and Clinical Use

Lecture 9 How to Read an ECG – A Step-by-Step Approach

Lecture 10 Common Mistakes in ECG Interpretation

Lecture 11 ECG Practice and Review

Section 5: Recognizing Common ECG Rhythms and Abnormalities

Lecture 12 Recognizing Common ECG Rhythms and Abnormalities

Section 6: ECG Changes in Myocardial Ischemia and Infarction: STEMI vs. NSTEMI

Lecture 13 ECG Changes in Myocardial Ischemia and Infarction: STEMI vs. NSTEMI

Section 7: ECG in Special Situations

Lecture 14 ECG in Special Situations

Healthcare students looking to understand ECG basics • Nurses, paramedics, and clinicians wanting to refresh their ECG skills • Medical interns preparing for clinical rotations • Anyone interested in learning how to read and interpret ECGs — no prior experience needed