Category: EKG

Axis: The Science of Direction Worksheet

Intro paragraph? These worksheets are for self-study only. Answers will not be evaluated. Instructions and examples Instructions for Chapter 6 Worksheets Complete basic measurements. Describe or calculate the P direction in the frontal plane as inferior or superior, leftward, or rightward. Diagnose the P direction as normal if it is inferior and leftward. Diagnose junctional […]

Axis: The Science of Direction Case Studies

Case 1: How leads determine direction Tap the arrow to view the case.How lead I separates left from right For this example, let’s visualize ventricular electrical systole, which is represented by the QRS. To determine and visualize whether the QRS is pointing, right or left, as well as up or down, first examine lead I. […]

6. Axis: The science of direction

In this material Self-study learning goals Identify and describe the six frontal plane leads. Identify and describe the six horizontal plane leads. Locate leads I, II, III, AVL, AVR, and AVF on the frontal plane diagram. Locate leads V1, V2, V3, V4, V5, and V6 on the horizontal plane diagram. Memorize the three leads that […]

The PR, QRS, and QT Intervals Worksheets

Intro paragraph? These worksheets are for self-study only. Answers will not be evaluated. Instructions and examples Instructions for Chapter 5 Worksheets Complete basic measurements. Measure the PR, QRS, and QT intervals. Interpret the PR as normal, short, or long. Interpret the QRS as normal (0.09 seconds or less), IVCD (0.10 to 0.11), or BBB (0.12 […]

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