Master Normal ECG Patterns and Respond Before it’s an Emergency

This webinar will provide clear guidance and practical examples as you work step-by-step through the expected level of practice that nurses must be competent in when assessing cardiac rhythms. Participants will be shown how to systematically assess the five key ECG parameters that define normal sinus rhythm.
CPD HOURS: 1
 Registration Year 2025/2026

Course Content

A monitor alarm sounds. A patient looks unwell. The rhythm on the screen has changed. In that moment, there is no time to search for answers the nurse must already know what they are seeing. Understanding normal sinus rhythm is the first step in recognising when a patient is deteriorating and acting before it becomes an emergency.

Cardiac monitoring technology is increasingly present outside critical care, but technology alone does not keep patients safe, knowledgeable nurses do. Every day, patients on hospital wards are connected to cardiac monitors, trusting that someone will recognise when something is wrong. That someone is the nurse.

Recognising normal sinus rhythm is not an optional skill it is the foundation that allows nurses to detect deterioration early, intervene appropriately, and potentially save a life. Without this knowledge, abnormal rhythms may be missed, alarms may be misunderstood, and both patient safety and professional accountability are placed at risk.

As a result, it is essential that nurses possess the knowledge and confidence to accurately recognise normal sinus rhythm before attempting to identify abnormal rhythms. Understanding what is normal provides the foundation for recognising deterioration early, responding appropriately, and ensuring patient safety. Without this baseline knowledge, abnormal rhythms may be missed, misinterpreted, or acted upon too late.

This webinar will provide clear guidance and practical examples as you work step-by-step through the expected level of practice that nurses must be competent in when assessing cardiac rhythms.

Participants will be shown how to systematically assess the five key ECG parameters that define normal sinus rhythm:

  • Rate: Determining whether the heart rate is within a normal physiological range
  • P waves: Confirming atrial depolarisation and sinus node origin
  • PR interval: Assessing atrioventricular conduction time,
  • QRS width: Evaluating ventricular depolarisation,
  • QT interval: Recognising repolarisation duration and identifying potential risk for arrhythmias.

Through demonstration and guided interpretation, this webinar aims to build confidence, clinical reasoning, and competence in recognising normal sinus rhythm as the essential foundation for identifying abnormal rhythms and patient deterioration.

Reliance solely on cardiac monitor alarms is unsafe. Monitor algorithms can produce false alarms, fail to detect significant rhythm changes, or be affected by artifact. Clinical interpretation by a knowledgeable nurse remains critical. A lack of understanding of cardiac monitoring places both the patient and the nurse at risk.

Delayed recognition of rhythm abnormalities can lead to clinical deterioration, adverse events, and potentially life-threatening consequences. From a professional perspective, nurses have a responsibility to maintain competence in skills directly related to patient monitoring and safety.

Therefore, developing competence in recognising normal sinus rhythm is not an advanced skill, it is a fundamental clinical requirement. Mastery of these foundational principles enables nurses to detect changes promptly, escalate care appropriately, and contribute to improved patient outcomes.

Why this Session may be Relevant to your Work

This session reinforces a skill I rely on in everyday practice. I am often the first to notice subtle changes in a patient’s condition, and recognising normal sinus rhythm gives me a clear baseline to identify when something is not right.

Learning Outcomes

In this session, you will:
  • Identify the three essential parameters (values) that assist with analysis of a rhythm strip.
  • Demonstrate how to work out these three parameters: PR interval, QRS width, QT interval. 
  • Gain an understanding of the significance of the ‘famous five’ foundation.
  • Describe the cardiac conduction system and explain the role of the sinoatrial (SA) node in generating sinus rhythm.

WANT TO SEE ANNE LIVE?

Explore Anne's upcoming seminars & conferences.

ANNE'S ONLINE COURSES

These courses are more in-depth and skill-based focused.

ANNE'S BLOG POSTS

Anne has a variety of interesting blog post on This Nursing Life.

Anne Evans-Murray

R.N., BHlthSc, MACCCN, Grad.Dip Ed, MEd, Dip Counselling, GradCertCritCare, CertIV Training and Assessment, CertIV in Mediation
Anne has a passion for teaching which she does in an unpretentious way that ensures you will not only understand and retain what she presents but will enjoy this learning experience. She has extensive experience of over 26 years lecturing for Gold Coast Health District and Griffith University.