Transition phase between impaired relaxation and pseudonormal patterns caused by early increase in filling pressures. Transition phase between impaired.

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Transition phase between impaired relaxation and pseudonormal patterns caused by early increase in filling pressures. Transition phase between impaired relaxation and pseudonormal patterns caused by early increase in filling pressures. (A) Although the E/A ratio remains < 1, (B) elevation of filling pressure is evidenced by a high pulmonary venous A reversal velocity (44 cm/s), and (C) increased E/Ea ratio ( = 15). In this case the transmitral A wave is not shortened, probably because the E velocity is elevated at the start of atrial contraction.17 Philip M Mottram, and Thomas H Marwick Heart 2005;91:681-695 Copyright © BMJ Publishing Group Ltd & British Cardiovascular Society. All rights reserved.