Aravanis, Christ; Toutouzas, P.; Michaelides, G.
August 1966
Angiology;Aug1966, Vol. 17 Issue 8, p515
Academic Journal
The EKG's of 600 patients presenting atrial fibrillation were studied to find possible relationships among the underlying disease and the type of the f waves. Other parameters taken into consideration were the age of the patients, the duration of the illness, the size of the left atrium, the pressure of the pulmonary capillaries and the frequency and width of the f waves. The dominant type of the f waves in lead VI was graded according to their amplitude as fine (<½ mm) and coarse (>½ mm). The great percentage of patients with rheumatic heart disease presented coarse f waves and more than half of those with arteriosclerotic heart disease showed fine f waves. The rest of the patients with various cardiac diseases presented fine or coarse f waves, but their number was small and did not permit a statistical analysis of diagnostic significance. From the factors under consideration that could influence the amplitude of the f waves, the size of the left atrium and the pulmonary capillary pressure were of some importance. The age of the patients and the duration of the illness were of more significance. Frequency and width of the f waves were not of diagnostic significance.


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