Auricular fibrillation and its relationship to clinical irregularity of the heart / by Thomas Lewis.
- Lewis, Thomas, Sir, 1881-1945.
- Date:
- [1910?]
Licence: In copyright
Credit: Auricular fibrillation and its relationship to clinical irregularity of the heart / by Thomas Lewis. Source: Wellcome Collection.
20/80 (page 322)
![tion of the venous curve may take the presystolic auricular contraction IS pie , a « we shall see at a later the io-ordinate systoles of the auricle are suspended As stage the ventricular form of venous pulse may be ^ 24) plaiau form, while the nor.nal heart sequence is and, as we have already seen, the usual oi noriiia sys denressions) venous pulse may he found (the tyjie with the deep a- an ' J and yet the signs of co-ordinate and presystolic auricula be eLirely in abeyance. It should be clearly comprehended that Fig. 3. A diagram illustrating the relationship of the auricular and ventricular forms of venous pulse, and the more common variations in shape to which they are liable. The dotted line represents tho usual or iihysiologic type of the auricular form of venous pulse. The continuous lines represent the ventricular jiortions of types of curve met with in auricular and ventricular forms of venous pulse. perfectly distinct ])henomenca exist, a sudden disappearance of all signs of the normal auricular systole, and a gradual increase of pressure in the right side of the heart. .Che lack of due appreciation of this essential distinction has led in the past to many misconceptions of the conditions with which we are dealing, and to the faulty interjiretation of many curves. The diagram may stand as an example of the transition of the systolic portion of either](https://iiif.wellcomecollection.org/image/b29000610_0020.jp2/full/800%2C/0/default.jpg)
