Auscultation and percussion : together with the other methods of physical examination of the chest.

  • Samuel Gee
Date:
1877
Catalogue details

Licence: Public Domain Mark

Credit: Auscultation and percussion : together with the other methods of physical examination of the chest. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

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    powerful contraction, sometimes causes a sort of diastolic impulse; the back-stroke, as it was called by Hope.' This most frequently occurs in hypertrophied hearts. ii. Sudden closure of the pulmonary sigmoid valves sometimes causes a sharp invisible dia- stolic impulse, which is to be felt at the second left interspace close to the sternum. This sign indicates the presence of solid lung over the pulmonary artery, or that the lung has shrunk away from it, or that there is an unusually high pressure in the artery. The last cause is the commonest; is usually present in disease of the mitral orifice, and occasionally even in perfect health; and is attended by a loud pulmonary second sound. IT in.—PRiESTSTOLIC IMPULSE. It is said that the contraction of the auricles, when they are much hypertrophied, may give rise to a short presystolic impulse at the base of the heart. An aimcular impulse which is systolic, the auricle being passive at the time, has already been referred to. ' A treatise on the diseases of the heart and great ve^se]« 3rd edit. pp. 67, 272. London, 1839. E 2
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