Cardiac arrhythmias in chronic renal failure? Holter monitoring during dialysis and everyday activity at home.

25 patients undergoing regular haemodialysis for chronic renal failure underwent Holter ECG monitoring for a continuous 48-hour period covering dialysis and the intermediate period of everyday activity at home. A low dialysate potassium concentration (1.7 mEq/l) was used.

Autonomic neuropathy in leprosy.

The integrity of the autonomic control of the cardiovascular system was studied in 21 patients with lepromatous leprosy and in ten normal people using several simple tests based on cardiovascular reflexes. Impairment of both parasympathetic and sympathetic function was demonstrated in the lepromatous patients.