Monument Health Opens Western South Dakota's First Epilepsy Monitoring Unit

Monument Health has opened the region's first dedicated Epilepsy Monitoring Unit (EMU) at Rapid City Hospital, in the Black Hills of western South Dakota, KBHB Radio reported this week.

Until the opening, candidates for admission-level video-EEG workup in that catchment had to travel several hours to a tertiary epilepsy center. The new unit keeps those admissions inside the Monument Health system.

What does an EMU actually do?

An Epilepsy Monitoring Unit admits a patient for several days while technologists record scalp EEG continuously, almost always paired with synchronized video. The combination lets an epileptologist correlate clinical semiology — what the patient does during an event — with the electrographic pattern in real time, then localize the irritative zone and frame a treatment plan.

Standard adult protocols include supervised reduction or withdrawal of anti-seizure medication to provoke events, structured sleep-deprivation windows, hyperventilation, and photic stimulation.

Montages start from the international 10-20 array and expand with additional electrodes when a non-invasive localization question is on the table. Sampling rates and review software vary by vendor. The constant is 24-hour coverage by EEG technologists who replace leads, mark events, and escalate to the reading physician the moment a clinical seizure occurs.

What clinical questions does a stay typically resolve?

An EMU admission generally answers one of three questions. The first is classification: are the spells epileptic seizures, convulsive syncope, psychogenic non-epileptic events, or something else? Surface EEG plus the team's bedside description usually settles this within the first captured event.

The second is localization. If the events are epileptic, where do they start? Scalp EEG often points to a lobe; for surgical planning, the patient typically moves on to MRI, PET, ictal SPECT, MEG, or invasive EEG (ECoG) at a higher-volume center. An EMU admission, in other words, sets the question but rarely closes it on its own.

The third is medical optimization. Clinicians titrate anti-seizure drugs under observation, adjust adjunctive therapies, and sometimes stage a patient for vagus nerve stimulation or responsive neurostimulation follow-up.

Why does "region's first" carry weight in western South Dakota?

For a referring neurologist in Rapid City, the operational change is logistics. An EMU stay requires a companion who can describe events and consent to medication changes, often a week of lodging, and travel that many western South Dakota, eastern Wyoming, and northern Nebraska patients historically declined.

Adding even two hours of drive time, or arranging a transfer across state lines, has pushed clinicians to defer the workup for borderline cases. A local EMU shortens that pathway and keeps the chart inside one system.

Nursing familiar with seizure precautions, lead checks, and post-ictal documentation tends to run tighter inside a dedicated unit than on an inpatient floor that handles these admissions only occasionally.

What remains unanswered from the announcement?

The KBHB headline confirms opening and site but does not specify bed count, EEG equipment vendor, on-site versus remote after-hours reading, or staffing composition. Epic integration with outside reading services — the typical bottleneck for cross-site EEG review — also goes unreported. For a neurophysiologist evaluating whether to refer, these are the operational questions that decide fit.

What comes next?

The opening is the first data point. The next useful disclosure will be the unit's first quarter of admission volume, average length of stay, and seizure-yield rate — the metrics that show whether the new EMU fills an unmet regional need or runs close to capacity from day one.