RHOBH reunion teaser: Dramatic moment PARAMEDICS are called for Sutton Stracke as she begins shaking on set after Kathy Hilton arrives

The Real Housewives of Beverly Hills were in for a shock while filming the latest reunion episode, with cast member Sutton Stracke suffering a medical emergency midway through filming.

A dramatic teaser released Wednesday gave fans a glimpse of the terrifying moment of the Season 13 reunion, as Sutton makes a wailing sound while sitting next to host Andy Cohen.

While it wasn’t initially clear exactly what sparked the incident, it happened right when Kathy Hilton was invited to join the ladies’ filming.

In the clip, it’s costar Garcelle Beauvais who springs into action as she calls out to the producers, “Can we please call someone?”

RHOBH Reunion Teaser: Dramatic Moment PARAMEDICS Are Called For Sutton Stracke As She Starts Shaking On Set Amid Medical Issues

Sutton previously revealed she has an esophageal 'condition' that can cause her to 'choke' when swallowing food or even her own saliva.

Sutton previously revealed she has an esophageal ‘condition’ that can cause her to ‘choke’ when swallowing food or even her own saliva.

While it wasn't initially clear exactly what sparked the incident, it happened right when Kathy Hilton was invited to join the ladies' filming.

While it wasn’t initially clear exactly what sparked the incident, it happened right when Kathy Hilton was invited to join the ladies’ filming.

While Beauvais mainly calls for help, a bewildered Andy points out to Stracke: ‘You’re shaking! You’re really shaking.’

Moments before it all started, Kathy was seen grinning as she glided into view.

Sutton previously revealed she has an esophageal ‘condition’ that can cause her to ‘choke’ when swallowing food or even her own saliva.

It is not yet clear what was going on with Sutton at the time of filming.

Real Housewives of Beverly HillsGarcelle Beauvais