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Pulsus bisferiens

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Pulsus bisferiens
Classification and external resources
DiseasesDB 32530

In medicine, pulsus bisferiens, also bisferious pulse or biphasic pulse, is a sign where, on palpation of the pulse, a double peak per cardiac cycle can be appreciated. Bisferious means striking twice. Classically, it is detected when aortic insufficiency exists in association with aortic stenosis,1 but may also be found in isolated but severe aortic insufficiency, and hypertrophic obstructive cardiomyopathy.

Normally, arterial pulses are best felt in central arteries like the brachial and carotid arteries, but this is not the case for pulsus bisferiens. It is felt best in the radial artery. Another such pulse which can be felt better in peripheral arteries is pulsus alternans. The first lift is due to "percussion wave"(P) and the second lift is due to tidal wave (T).

  • If P>T - AR>AS
  • If T>P - AS>AR

Characteristic causes: 1. Aortic regurgitation (AR) 2. Aortic regugitation with Aortic Stenosis (AR+AS) 3.Hypertrophic cardiomyopathy2

References

  1. ^ http://bcs.medinfo.ufl.edu/sample/page03a.html
  2. ^ h

External links

check harrisons book of medicine - 15 th edition page 1255 and 1305.
Cardiovascular
Myeloid/blood


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