Hypocalcemia and Thyroidectomy | Medical Algorithm

Evaluation

Are you evaluating a patient who has just undergone a thyroidectomy?

Yes

Did the patient have?

• an elevated free thyroxine level prior to surgery?

Yes

• a bilateral thyroidectomy?

Yes

• parathyroid autotransplantation during the surgery?

Yes

Serum calcium at 24 hours after surgery

Lower limit of the normal reference range for calcium

Results

Please fill out required fields.

Results Interpretation and Description References Next Steps

Data complete?

Evaluation appropriate?

Number of risk factors for transient postoperative hypocalcemia

Should the patient receive oral calcium supplements now?

Is the patient at increased risk for permanent hypocalcemia?

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Risk Factors
- Method of Yamashita et al for Predicting Postoperative Tetany Following Thyroid Surgery in Women With Graves' Disease
- Risk Factors for Permanent Hypoparathyroidism After Thyroid Surgery
Clinical Diagnosis, Including Family History For Genetics
- Equation of Harvey et al for Predicting the Upper Limit of Normal for Serum Intact Parathyroid Hormone (PTH)
Laboratory Tests
- Equation of Harvey et al for Predicting the Upper Limit of Normal for Serum Intact Parathyroid Hormone (PTH)
Complications
- Risk Factors for Permanent Hypoparathyroidism After Thyroid Surgery

Specialty

Endocrinology
Clinical Laboratory
Surgery, orthopedic

Objective

risk factors
complications
selection

ICD-10

T88.8 - Other specified complications of surgical and medical care, not elsewhere classified
E83.5 - Disorders of calcium metabolism
E89.2 - Postprocedural hypoparathyroidism

Risk Factors for Hypocalcemia After Thyroidectomy

Purpose: To evaluate a patient for hypocalcemia following thyroidectomy based on the risk factors of Abboud et al.