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What is the peculiar rhythm I see on my patient's electrocardiogram? What causes it? Should I worry about it? More to the point, what should I do about it? These questions attract me to books such asCardiac Arrhythmias. In this second edition of his book, Dr Mandel and his 66 contributors not only tell how they recognize the various arrhythmias but also provide a lot of material on the disordered cellular mechanisms responsible for them. In addition, they take up electrophysiological testing, ablative techniques, new modes of pacemaker therapy, and automatic implantable defibrillators. Nor do they slight the currently available antiarrhythmic drugs. At last, after having read about them for years, we have some new and remarkably effective ones. Dr Mandel and his associates cite the curious discrepancy between oral and intravenous verapamil. A bolus of 5 to 10 mg usually stops a patient's supraventricular tachycardia. Should the need
Harry B. Greenberg (Fri,) studied this question.