A Brief History of Tau with Links You Might Need!

A Brief History of Tau

1976, Weiss found Tau.
1992, the first non-invasive calculation.
1992, a formula involving Tau.
1993, an important improvement with decent data.
1995, a similar strategy applied to AI patients.
1995, I published a formula with one assumption.
1997, Cleveland validated the aforementioned formula with 5 hypotheses.
2005, Langer presented a non-zero asymptote model.
2008, I improved my formulas, without assumption now.
2008, I did a similar method in AI patients.
2008, Chen developed program for my formulas, free download.
2008, my poster in ASE 19th Annual Scientific Sessions.
2009, my poster in CSE forum.
2009, DF guideline (ASE) recommended Cleveland's formula.
2009, I gave my opinion about the guideline method.
2009, "Response to Bai" from guideline writing group. It motivated me to create this Blog.
2010, Dr Wang and me pushed Tau to all cardiac functions.
2011-11-29, I gave a talk in National Capital Echo Round (Ottawa)
2016-03-29, I gave a talk at the Heart Institute, the North Hospital (Shenyang, China)
2016-04-01, I gave a talk at the Cardiac Function Dept., the 1st Clinical College, Chinese University of Medicine. (Shenyang, China)
2016, Symmetry inspired by Tau
2017, Calculation of LAP got Chinese Natural Science Founding.
2017, Mindray made the first Tau measurable ultrasound machine.

Sunday, October 9, 2011

A Small Step in Math, A True Stride in Cardiology

With the progress of Doppler and modern computer technology, I believe that only a few RBCs’ leaking will be needed to give us a much understandable and clear regurgitation curve. Theoretically, merely a short part of the curve is enough to calculate the Tau. As long as we are allowed to choose 3 points from within the definition field, we can use the updated formulas to proceed. Let’s assume the 3 points are a (va, ta), b (vb, tb) and c (vc, tc) from left to right. The updated formulas are:

It is a small step in mathematics, but a true stride in cardiac clinic.

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