A guide to the physical diagnosis of the diseases of the lungs and heart : together with an introduction to the examination of the urine / by James Sawyer.

Sawyer, James, Sir, 1844-1920.

Date:: 1870

Credit: A guide to the physical diagnosis of the diseases of the lungs and heart : together with an introduction to the examination of the urine / by James Sawyer. Source: Wellcome Collection.

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$most commonly met with, (lubb, dup-dup.) Reduplication of the sounds is thought to be due to a disturbance in the synchro- nism of action of the two sides of the heart : when we remember that the two sides are perhaps never equally affected by disease, the only wonder is that this change of rhythm does not more fre- quently occur. B. ADVENTITIOUS OR PRETERNATURAL SOUNDS, CARDIAC MURMURS. Abnormal cardiac sounds, totally un- like what we hear when we listen to the action of the healthy heart, produced either within the organ or upon its sur- face, are called murmurs. These murmurs may be divided as follows :— ( Organic. 1. Endocardial \ ^ . ( Dynamic. J Inorranic. { ( ( llEemic. 2. Exocardial. I. Endocardial murmtcrs.—E ndocardial murmurs are usually blowing in character, hence they are described under the generic term bellows murmitr, the bruit de sotcfflet of French writers. These$