How do we document FHR?

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Multiple Choice

How do we document FHR?

Explanation:
The ability to document fetal heart rate relies on capturing the heart’s motion over time. Among ultrasound modes, motion-over-time data along a single line is provided by M-mode, which displays depth along one axis and time along the other. This creates a clear tracing of the heart’s movements, with each peak corresponding to a heartbeat. By counting the peaks and measuring the interval between them, you can derive the fetal heart rate in beats per minute. Other modes don’t give this time-based rhythm trace: A-mode shows only depth-related amplitude, B-mode provides a static 2D image, and 3D builds volume data. So the mode that best yields a readable FHR tracing is M-mode.

The ability to document fetal heart rate relies on capturing the heart’s motion over time. Among ultrasound modes, motion-over-time data along a single line is provided by M-mode, which displays depth along one axis and time along the other. This creates a clear tracing of the heart’s movements, with each peak corresponding to a heartbeat. By counting the peaks and measuring the interval between them, you can derive the fetal heart rate in beats per minute. Other modes don’t give this time-based rhythm trace: A-mode shows only depth-related amplitude, B-mode provides a static 2D image, and 3D builds volume data. So the mode that best yields a readable FHR tracing is M-mode.

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