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Real Time Neuromonitoring Associates - RTNA Real Time Neuromonitoring Associates (RTNA) is the country’s leading professional oversight practi

Build your display around the questions you need the data to answer. A thoughtful window layout can make trends, changes...
10/15/2026

Build your display around the questions you need the data to answer. A thoughtful window layout can make trends, changes, and data quality easier to recognize in real time.

Here are a few ideal window layout options and some of the thinking behind them:

• An “all modalities” or summary view that includes all primary modalities can reduce the need to flip between screens and views, helping the Tech and Reader interpret the data more efficiently.

• A well-designed MEP view should support data reliability checks. TOF 4/4 and a stable anesthetic state are important considerations when evaluating MEPs. Including TOF and EEG alongside the MEP data makes those checks easier to assess in context. MEP stack data can also help both the Tech and Reader identify variable CMAP responses, recognize trends, and distinguish gradual changes from acute changes associated with a surgical maneuver.

• Stack and waterfall views can make trends and variability easier to recognize. Optimizing the data display to include these views can provide additional context that may not be as apparent when relying on a single default waveform view.

• For tEMG, stack and waterfall views can provide additional confidence when reviewing threshold testing. Setting auto-store to “On Valid Stimulation” also creates a clear record of stimulus titration, helping demonstrate when CMAP responses appear or disappear and the stimulation intensity associated with those changes.

• A well-designed SSEP and EEG layout for a CEA procedure might include both default and stack views to provide context for anticipated changes associated with this case type. Being able to review stack data alongside real-time data can help the IONM team and surgeon quickly assess changes in vascular function and recognize meaningful trends. In this example, that additional context can support timely clinical decision-making, including shunt placement and resolution of the alert.

In addition to layout, importantly, your template setup should support objective documentation of the data being captured. A quality medical record should contain the stored data that supports the observations and conclusions documented in the report.

When templates are not optimized to capture and store data in its various forms, it may be more difficult to fully demonstrate what was observed during the case. Storing data alongside the narrative documentation provides helpful context and supports a more complete medical record.

The documentation tells the story, and the stored data helps provide the supporting detail.

Over the last three weeks, we've walked through why sEMG needs to remain visible during tEMG testing. We reviewed a real...
10/07/2026

Over the last three weeks, we've walked through why sEMG needs to remain visible during tEMG testing. We reviewed a real case example where sEMG activity appeared in the tEMG window and could have been mistaken for a CMAP, highlighting the importance of viewing both modalities together.

But here's the broader issue: it's common for Techs to run a tEMG-only view when testing screws. Most of the time, that gives the surgeon accurate, real-time information. No problems.

That's exactly the trap. "Worked fine today" isn't the same as "well set up." isn't just about accurate real-time data, it's about anticipating what could go wrong and building a setup that lets you and the reading physician troubleshoot easily when it does.

Apply the same thinking to your whole protocol.

This anticipation mindset doesn't stop at tEMG/sEMG. Ask yourself: what has to be verified before sEMG or tEMG data can even be trusted? TOF (train-of-four). If TOF confirms reliability, it belongs in that same view, not checked once and forgotten.

The same logic applies to MEPs. TOF and EEG (depth of anesthesia) provide context for how much confidence to place in an MEP response so that information belongs on the MEP view too, not tucked away on a separate screen.

protocols often get handed down from Tech to Tech and never revisited. It is worth periodically reevaluating if a layout is still doing its job or if it is just doing what the last person set up.

Need assistance with template optimization? Clinical Support is here to help. Reach out: https://rtnassociates.com/client-services/

We've established that sEMG and tEMG watch the same channels, and that sEMG can show up uninvited in your tEMG window. S...
10/01/2026

We've established that sEMG and tEMG watch the same channels, and that sEMG can show up uninvited in your tEMG window. So now what?

Optimize your window layout and view so both the Tech and Reader have the context they need in real time.
If you see unexplained activity like this, work the differential in order:

1. Rule out non-physiologic artifact first: loose electrode, cautery, equipment interference.
2. Consider true sEMG firing, try a brief surgical pause and see if it resolves once instruments are removed.
3. Consider reactive sEMG from light anesthesia, address with the anesthesia team.

If what looked like sEMG activity turns out to be artifact rather than muscle activity, that distinction matters: it means the channel isn't giving you a reliable read on the muscle right now, and any tEMG collected during that same window may be less trustworthy for the surgeon.

Explain your reasoning to the surgeon. Whether physiologic or not, tEMG infiltrated by sEMG activity is less reliable. You're optimizing the modalities to deliver better data. Better data means a better-informed surgeon and safer patient care.

Last week we asked what you thought was happening in this tEMG screenshot.When tEMG stack and sEMG data are added to the...
09/24/2026

Last week we asked what you thought was happening in this tEMG screenshot.
When tEMG stack and sEMG data are added to the view, we have more clarity: Now we can see that the activity visible in the sEMG is also visible in the tEMG window.
Why? Both modes record from the same muscles/channels. If sEMG activity is present when tEMG is triggered, it shows up in the tEMG window too. But because the sweep speed differs (500ms/Div for sEMG vs. 3ms/Div for tEMG here), that same activity looks completely different depending on which mode you're viewing it in.
Think of window sweep as how much of a song you get to hear. With the sweep seen here, sEMG lets you hear: "You are the Dancing Queen, young and sweet, only seventeen..." tEMG's short sweep only catches: "You are the Dancing..."
Same signal. Different amount of context.
Worth noting: the pattern itself is a red flag on its own. There's no single stimulation point that activates CN VII, IX, and X plus mentalis simultaneously without also co-activating other facial muscles (orbicularis oris/oculi). That anatomic mismatch is often your fastest clue you're not looking at a true CMAP.

What's going on with this screenshot of tEMG data?  Do you think the activity in the Mentalis, Soft Palate, and Vocalis ...
09/17/2026

What's going on with this screenshot of tEMG data? Do you think the activity in the Mentalis, Soft Palate, and Vocalis channels is a true stimulated CMAP response? Why or why not? What would you do to better understand this activity? Tell us below ⬇️

Cheers to doers, thinkers, and builders.  Happy Labor Day!
09/07/2026

Cheers to doers, thinkers, and builders. Happy Labor Day!

We team up with   providers, hospitals and healthcare systems to provide Neurologist oversight on over 45,000 orthopedic...
09/02/2026

We team up with providers, hospitals and healthcare systems to provide Neurologist oversight on over 45,000 orthopedic, neurosurgical, cardiovascular, and otologic surgeries annually.

Learn how we can partner today: https://rtnassociates.com/

Our scheduling and clinical coordination team is the communication hub for daily clinical operations. When boarding a ca...
08/26/2026

Our scheduling and clinical coordination team is the communication hub for daily clinical operations. When boarding a case, we've got you covered!

Call 877-836-2408 to schedule a case. Email [email protected] for more information.

At RTNA, our motivation is based on three simple principles: offering clients sustainable   services delivering positive...
08/20/2026

At RTNA, our motivation is based on three simple principles: offering clients sustainable services delivering positive patient outcomes, creating a professional team environment to implement services and technologies that support IONM physician supervision, and fulfilling our promises to our clients. For more information, get in touch with us here: https://rtnassociates.com/contact/

Our client experience team works with your organization to understand the involved facilities, staff, credentialing, and...
08/12/2026

Our client experience team works with your organization to understand the involved facilities, staff, credentialing, and surgery coverage needed. Read more about our process and the services we offer here: https://rtnassociates.com/client-services/

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