Marked variability - CORRECT-ANSWERSamplitude range greater than 25
bpm
Acceleration - CORRECT-ANSWERSvisually apparent abrupt (<30 sec to
peak) increase in FHR above baseline for less than 2 minutes
-15bpmx15sec for 32 weeks and up
-10bpmx10sec for less than 32 weeks
Prolonged Acceleration - CORRECT-ANSWERSacceleration lasting longer than
2 minutes but less than 10 minutes.
Early Deceleration - CORRECT-ANSWERSA visually apparent usually
symmetrical gradual (more than 30 sec) decrease in FHR and return to
baseline associated with a contraction
-nadir occurs at the same time as the peak of the contraction
Late Deceleration - CORRECT-ANSWERSvisually apparent, usually
symmetrical gradual decrease in FHR and return to baseline associate with a
contraction
-delayed in timing with the nadir occurring after the peak of the contraction
Variable Deceleration - CORRECT-ANSWERSvisually apparent abrupt
decrease in FHR
-decrease is 15 bpm lasting for more than 15 sec but less than 2 minutes
Prolonged Deceleration - CORRECT-ANSWERSvisually apparent decrease in
FHR that is at least 15 bpm lasting greater than or equal to 2 minutes but
less than 10 minutes from onset to return to baseline
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