Houghton, Andrew R., Making sense of the ECG : a hands-on guide / Andrew R. Houghton, David Gray. - Fourth edition. - xi, 247 pages : illustrations. ; 25 cm. - Making sense of . - Making sense of. . Includes bibliographical references and index. ISBN: 9781444181821 RM104.07 Subjects--Topical Terms: Electrocardiography.Heart diseases--Diagnosis. Index Terms--Genre/Form: Handbooks.