Heart Sounds & 5 EKG Lead Placement

May 8, 2026

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This document provides a comprehensive guide to understanding heart sounds and the proper placement of 5 EKG leads for accurate cardiac monitoring. It begins by introducing the "APETM" memory trick, "All Pigs Eat Too Much," which aids in recalling the order of auscultation points: Aortic, Pulmonic, Erb's point, Tricuspid, and Mitral. Each heart sound location is clearly described in terms of intercostal space and sternal border or midclavicular line. Following the discussion on heart sounds, the document details the "5 EKG Lead Placement," illustrating the QRS complex and various intervals and segments of an electrocardiogram, including the P wave, PR segment, PR interval, QRS complex, ST segment, T wave, and QT interval. A memory trick, "White on Right, Smoke over Fire, Brown in the Middle, Grass under Sky," is provided to assist with lead placement. The guide offers specific instructions for the proper 12-lead placement on the left side of the chest, detailing the precise locations for V1 through V6 and V4R leads, referencing intercostal spaces, sternal borders, midclavicular lines, and axillary lines for accurate positioning. The visual aids accompanying the text clearly depict the anatomical locations for both heart sound auscultation and EKG lead placement, ensuring a practical and educational resource for healthcare professionals and students.

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May 8, 2026