P71.4

Clinical Causes: Immature or underdeveloped parathyroid glands at birth Intrauterine factors affecting gland development Genetic predispositions influencing parathyroid function Birth complications such as prematurity or low birth weight Perinatal stress or trauma which might impair gland function Maternal conditions or medications that influence fetal calcium regulation

Key Symptoms: Muscle twitching or cramps Uncontrolled movements or tremors Lethargy or decreased activity levels Irritability or constant crying Seizures in severe cases Poor feeding and failure to thrive Abnormal heart rhythms

Diagnosis Path: The diagnosis involves a combination of clinical observation and laboratory testing. Blood tests typically reveal low serum calcium levels and may show decreased or normal levels of parathyroid hormone. Further assessments might include measuring phosphate levels, which often are elevated in hypoparathyroidism. Imaging studies of the parathyroid glands are rarely necessary but may be performed if congenital anomalies are suspected. Continuous monitoring is essential to track the course of the condition and response to treatment.

Treatment Protocols: Administering calcium supplements to maintain normal blood calcium levels Using active vitamin D analogs (such as calcitriol) to enhance calcium absorption Monitoring serum calcium and phosphate regularly Adjusting treatment based on ongoing assessments to prevent hypercalcemia Supportive care addressing feeding difficulties and managing seizures if they occur Following up closely until parathyroid function normalizes, which is typical in this transient condition