Post-traumatic stress disorder (PTSD) is also a common cause of recurrent ni g ht m ar e .
创伤后压力心理障碍症（PTSD）同样是引起反复做噩梦的一个普遍原因。
Illnesses that include fever, such as the flu, can often trigger ni g ht m ar e .
包括例如感冒发烧在内的疾病往往能引起噩梦。
Objective To evaluate the feasibility and accuracy of color M-mode Doppler flow propagation velocity (FPV) in assessment of the severity of aortic regurgitation (AR).
目的观察m -型彩色多普勒超声测定主动脉瓣返流(AR)的血流传播速度(FPV)估测AR程度的可行性及准确性。
Objective To evaluate the feasibility and accuracy of color M-mode Doppler flow propagation velocity (FPV) in assessment of the severity of aortic regurgitation (AR).
目的观察m -型彩色多普勒超声测定主动脉瓣返流(AR)的血流传播速度(FPV)估测AR程度的可行性及准确性。
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