Abstract
From study of 30 cases it appears that the number of casts found in 12 hrs. is usually increased in patients suffering from cardiac disease. If averages are considered, the greatest numbers were passed by patients suffering from heart failure of the congestive type; the numbers were fewer after recovery and fewer still in those who had never suffered from this illness. Granular casts were frequently found. The number of red blood cells in the urine of patients who had experienced cardiac decompensation was frequently greater than the highest normal value, but within the limits in those who had never suffered from heart failure. The average number of red blood cells found in cases which had never experienced heart failure was twice as great as in normal individuals; in those who were suffering from heart failure or had re-covered from it, however, the average number was 10-15 times the normal. The number of white blood cells was normal in the urine of patients who had not suffered from heart failure, but the average number was approximately twice the average observed in normal individuals. The number was usually within the normal range both during and after recovery from cardiac decompensation; the average numbers, however, were greater approximately 9 and 3 times respectively than in normal individuals, the average being less in patients without heart failure than in those who had recently recovered from it and less than in those who were still suffering.

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