The combination of technology improvements and the greater understanding of the benefits of Intermittent Verticalization Therapy (IVT) on pulmonary patients during the Covid crisis has made the TLB rise to the top.  

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The realization that IVT worked on ECMO patients quickly made it the standard of care in many facilities.  That same philosophy is now spreading to ARDS patients, other pulmonary complications, ballon pump patients, burns and many other units.