Aehlert, Barbara. <br/><br/>
Pocket reference for ECGs made easy / 
 ECGs made easy 
Barbara Aehlert. 
 - 4th ed. 
 - Maryland Heights, Mo. :  Mosby Jems/Elsevier,  c2011. 
 - vii, 147 p. :  ill. (some col.) ;  19 cm. 
<br/><br/>Includes bibliographical references (p. 135-137) and index. 
<br/><br/><label>ISBN: </label>9780323069281 (pbk. : pocket reference) 0323069282 (pbk. : pocket reference) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography--Handbooks, manuals, etc.
<br/><br/><label>Dewey Class. No.: </label>616.1207547  / AEH 2011