Aehlert, Barbara, <br/><br/>
ECGs made easy / 
Barbara Aehlert. 
 - Seventh edition. 
 - viii, 304 pages :  illustrations ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780323794251  RM375.15 (PPUKM) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography--Methods. <br/>Arrhytmias, Cardiac--diagnosis. <br/>Programmed Instruction.