Beasley, Brenda J Understanding 12-lead EKGs: a practical approach Brenda J. Beasley, Michael C. West - 2nd ed - Upper Saddle River, NJ Prentice Hall 2006 - xvi, 368p. : ill. ; 27 cm Includes index ISBN: 9780131707894 Subjects--Topical Terms: Echocardiography Dewey Class. No.: 616.1207547 BEA