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Methodological ECG Interpretation The ECG must always be interpreted systematically. Failure to perform a systematic interpretation of the ECG may be detrimental. The interpretation algorithm presented below is easy to follow and it can be carried out by anyone. The reader will gradually notice that ECG interpretation is markedly
The key to interpreting an ECG is to use a system when looking at each image. This will ensure that no important details are missed. This guide will briefly go through a basic system that can be used to interpret any ECG, and this will be followed by a variety of common ECGs. Each image will be followed by a diagnosis and description
To calculate the rate of a regular ECG, simply divide 300 by the number of large squares between two complexes. For irregular rhythms, count the number of complexes between 30 large squares and multiply by 10 (30 large squares = 6 seconds, assuming standard paper speed of 25 mm/s).
• Outline 9 steps in interpreting the EKG. • Describe EKG characteristics of atrial fibrillation, atrial flutter, wandering atrial pacemaker, and premature atrial complex. • Describe EKG characteristics of sinus bradycardia and 4 types of heart block. • Describe EKG characteristics of junctional rhythm, ventricular
The electrocardiogram (ECG) is a tool for recording and interpreting cardiac activity through repeated cardiac cycles. NSR is the default, healthy cardiac rhythm. The electrical impulse originates from the sinoatrial (SA) node and the ECG strip will demonstrate the following characteristics:
There is no need to remove these reference pages from your book. To download and print them in full color, go to: 6th Ed. 1. RATE (pages 65-96) 2. RHYTHM (pages 97-202) Identify the basic rhythm, then scan tracing for prematurity, pauses, irregularity, and abnormal waves. Check for: P before each QRS. QRS after each P.
Download our free ECG pocket guide, with systematic ECG interpretation, differential diagnoses and clinical examples.
