early deceleration in fetal heart rate monitoring, a transient decrease in heart rate that coincides with the onset of a uterine contraction. late deceleration in fetal heart rate monitoring, a transient decrease in heart rate occurring at or after the peak of a uterine contraction, which may indicate fetal hypoxia.
DIFFERENCES:   Internal regulators only respond only to the inside, while external  regulators respond only to the outside.   SIMILARITIES:   Both internal and exâ¦ternal regulators can stop their processes.
Regulators for all medical and emergency applications. These oxygen regulator are: 4.8  L x 2.4  W x 1.5  H. Flow Range : 0.5 to 8 LPM or .5 to 15 LPM depending on regulator you choose, with contents gauge. The 2200 PSI Regulators are for Standard Cylinders / Tanks and Invacare HomeFill System. The 3000 PSI Regulators are for Respironics HomeFill System.