Houghton, Andrew R. Making sense of the ECG : a hand-on guide - 02nd ed. - London: Hodder Arnold; 2003. - xiv, 278p.: Colour illustration ;20cm. ISBN: 0340811420 Subjects--Topical Terms: Heart rateThe axisECG recording TestsCardiopulmonary resuscitation Dewey Class. No.: 616.1207547 / HOU