Fetal Heart Rate Normal Range Checker
Actual independently measured fetal heart rate in beats/minute relative only to independently applicable caller bounds. Inclusive endpoints, signed margins; method, context, age/state and uncertainty must be independently established. No universal normal range, diagnosis, intervention or safe-use approval.
Description
Fetal heart-rate interpretation depends on the measurement period and applicable clinical context.
Fetal heart-rate interpretation depends on the measurement period and applicable clinical context.1
A comparison with caller-supplied bounds does not classify an entire trace.
When to use Fetal Heart Rate Normal Range Checker
Use this tool to compare a measurement with the supplied applicable bounds. Establish the observation date, units, measurement context and independently applicable clinical reference or calibrated model.
How to use Fetal Heart Rate Normal Range Checker and understand its results
- Establish the observation date, units, measurement context and independently applicable clinical reference or calibrated model.
- Enter independentlyMeasuredValue, callerApplicableLowerValue, callerApplicableUpperValue, using the field meanings and rules below, then run the tool.
- Read result.withinCallerScreen, result.signedLowerMargin, result.signedUpperMargin. Use the units and sign conventions below.
- Correct any reported input issue and run again. Before using a successful result, check the stated units, signs, reference scope and observation coverage.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| independentlyMeasuredValue | Independently measured value | number | Required |
| callerApplicableLowerValue | Caller applicable lower value | number | Required |
| callerApplicableUpperValue | Caller applicable upper value | number | Required |
Supply finite measured and lower/upper reference values in the same independently established units and context. Require upper≥lower, allowing an equal-bound interval. Return true exactly when lower≤measured≤upper; also return measured−lower and upper−measured. A negative margin identifies the exceeded side. These tools do not impose additional physiological bounds on the supplied finite values.
within=(lower≤measured≤upper); signedLowerMargin=measured−lower; signedUpperMargin=upper−measured Use the matching field units and the exact boundary, ordering and reference rules above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Structured result; its nested fields below contain the actual calculation or selected reference | object |
| result.withinCallerScreen | Within Caller Screen | boolean |
| result.signedLowerMargin | Measured value minus the supplied lower bound, in the same units | number |
| result.signedUpperMargin | Supplied upper bound minus measured value, in the same units | number |
{
"input": {
"independentlyMeasuredValue": 140,
"callerApplicableLowerValue": 110,
"callerApplicableUpperValue": 160
},
"output": {
"result": {
"withinCallerScreen": true,
"signedLowerMargin": 30,
"signedUpperMargin": 20
}
}
}Limitations and assumptions
Dating evidence, acquisition conditions and applicable clinical references remain independently established. The output describes supplied observations or a conditional model without diagnosing an outcome, choosing a dose or verifying clinical applicability. Passing means only that the supplied measurement is inside the supplied inclusive bounds.
Missing required fields, unknown fields, wrong types and violated rules return input issues. Numeric values and outputs must be finite. Extremely large composite outputs are rejected.
Alternative or Complementary methods
For a related step, use Maternal Heart Rate Pregnancy Calculator: Maternal heart rate is interpreted with measurement conditions and an applicable clinical reference. For a complementary comparison, use Pregnancy Anemia Checker: Hemoglobin interpretation in pregnancy depends on an applicable reference, units and gestational context.
References
-
Fetal Heart Rate Normal Range Checker — tool.io
Similar or alternative tools
- Maternal Heart Rate Pregnancy Calculator
Maternal heart rate is interpreted with measurement conditions and an applicable clinical reference.
- Pregnancy Anemia Checker
Hemoglobin interpretation in pregnancy depends on an applicable reference, units and gestational context.