Hypertensive patients have a higher risk of atrial and ventricular arrhythmias, depending on the degree of LV hypertrophy. But atrial arrhythmias, in contrary to ventricular arrhythmias, are also closely related to abnormalities in LV diastolic function.

In this first prospective study of PV isolation using the HDMM, our findings suggest, that this method is safe and yields good primary success rates and favourable clinical outcome at 6 month. The new technology based on high resolution recordings, offers beside good anatomical orientation a direct electrophysiological control for monitoring of bidirectional conduction block.

Even young P with IDDM, with a normal systolic ventricular function, suffer a diastolic dysfunction which serves as a marker of a diabetic cardiomyopathy. Therefore, echocardiography with measurements of systolic and diastolic functional parameters appears to be a sensible method for evaluating the course of diabetic cardiomyopathy.

In pathological left ventricular hypertrophy due to hypertensive heart disease a pathological diastolic filling pattern was documented. In athletes with physiological left ventricular hypertrophy a normal left ventricular diastolic filling pattern was revealed. Thus Doppler-echocardiographic parameters of left ventricular diastolic function can be of diagnostic importance for discriminating between pathological and physiological left ventricular hypertrophy.

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