What neurological sign is associated with hypocalcemia?

Increased reflexes, or hyperreflexia, is a neurological sign commonly associated with hypocalcemia. Hypocalcemia refers to low levels of calcium in the blood, which plays a critical role in the functioning of neuromuscular excitability. Calcium is essential for the proper functioning of synaptic transmission and muscle contraction. When calcium levels are low, there is heightened neuromuscular excitability, which can lead to increased reflex responses.

In hypocalcemia, the increased excitability of the nerves and muscles can manifest as exaggerated reflexes when tested using deep tendon reflex assessments. This is often observed through brisk or more pronounced responses upon stimulation compared to what is considered normal.

While seizures can occur in severe cases of hypocalcemia, they are more characteristic of profound electrolyte imbalances rather than a straightforward sign. Options such as coma and loss of consciousness are more severe neurological changes and are generally not the first signs noted. Thus, increased reflexes is the most consistent and direct neurological manifestation related to hypocalcemia.