Breath-holding 3D MRCP: the time is now?

I-4: Is It Time Now to Cancel Fresh EmbryoTransfer

The implantation of embryo depends on the quality of the embryo and the receptivity of the endometrium. While the factors affecting embryo quality were optimized, the implantation rates did not reach the desirable levels. This directs the blaming for endometrial receptivity which already has been affected by supra-physiological levels of hormone, namely estradiol, in controlled ovarian hypersti...

The limits of breath holding.

Changes in the period of no respiratory sensation and total breath-holding time in successive breath-holding trials.

1. Immediately after breath-holding at end-expiratory level, there is a certain period of no particular respiratory sensation which is terminated by the onset of an unpleasant sensation and followed by progressive discomfort during breath-holding. This period, defined as the time from the start of voluntary breath-holding to the point where the onset of an unpleasant sensation occurs, is design...

Effective breath holding time in the measurement of the pulmonary diffusing capacity by single breath method.

prolonged, this treatment leads to a considerable error in the DL value. In order to eliminate this error a correction factor of the inspiration time was newly introduced to obtain the effective inspiration time. The correction factor was a function of the ratio of the residual capacity to the total alveolar gas volume and the ratio of DL to the flow rate of inspiration. A nomogram was made for...

Now is the time.

―We have also come to this hallowed spot to remind America of the fierce urgency of now. This is no time to engage in the luxury of cooling off or to take the tranquilizing drug of gradualism. Now is the time to make real the promises of democracy. Now is the time to rise from the dark and desolate valley of segregation to the sunlit path of racial justice. Now is the time to lift our nation fr...