614. What is a sinusoidal tracing of fetal heart rate? What is its significance? / What is a reactive or reassuring nonstress test? / Elements of biophysical profile November 6th, 2008 by reuben in pregnancy Back Top Tags: card 613. Types of decelerations and their significance / How to distinguish them on a tracing 615. Equipment needed for delivery / Acceptable maternal positions for delivery / Goal of delivery / What is the modified Ritgen maneuver? Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.