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Besides this infection, the most frequent causes of inflammation of the heart in children are diphtheria, scarlet fever, typhoid fever, measles and influenza, with the frequency, perhaps, in the order named. Diphtheria frequently gives rise to myocarditis, which results in dilatation of the heart.
The symptoms of a heart attack may not be quite those described above; they may be those of sudden dilatation or semiparalysis of the heart, in which the prostration is intense and the patient is unable to sit up, although he may be leaning against several pillows.
The tendency to closure of the eyes noted by Roubaud, to avoid contact of the light, indicates dilatation of the pupils, for which we need not seek other explanation than the general tendency of all peripheral stimulation, according to Schiff's law, to produce such dilatation. Vaschide and Vurpas, "Du Coefficient Sexuel de l'Impulsion Musicale," Archives de Neurologie, May, 1904.
Drama seeks to present its significance with narrowed intensity, but epic in a large dilatation: the one contracts, the other expatiates. When, therefore, we find drama setting out its significance in such a way as to become epically dilated, we may say that dramatic has grown into epic purpose.
The first symptoms of weakening of the compensation are irregularity in the beat and venous congestion of the head and face, causing bluing of the lips, often nosebleed, and sometimes hemoptysis and insomnia. Later the usual series of disturbances from dilatation of the right ventricle occurs.
Gwynplaine extended his arms, and touched the wall on the right side and on the left. He was in a passage. Little by little a cavernous daylight exuding, no one knows whence, and which floats about dark places, and to which the dilatation of the pupil adjusts itself slowly, enabled him to distinguish a feature here and there, and the corridor was vaguely sketched out before him.
As referred to under the subject of myocarditis, many symptoms for which a patient consults his physician are indefinite and intangible, though due to cardiac weakness. If a patient with a damaged heart has a sudden dilatation, of course his symptoms are so serious that the physician is immediately summoned.
The winding of a watch I have regarded as a task of magnitude when not under the opium influence, and I was no more capable of controlling, under this condition, the cravings of the system for its pabulum, by any exertion of the will, than I, or any one else, could control the dilatation and contraction of the pupils of the eye under the varying conditions of light and darkness.
Now it happens that if we make use for the estimation of temperatures, of the phenomena of dilatation under a constant pressure, or of the increase of pressure in a constant volume of a gaseous body, we obtain a scale very near the absolute, which almost coincides with it when the gas possesses certain qualities which make it nearly what is called a perfect gas.
The more these arteries are diseased and the more they are obstructed, the more the myocardium of the heart becomes degenerated, softened and weakened, when dilatation of the ventricles, especially the left, is liable to occur.
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