The Block 2026 contestant Courtney suffered 15 supraventricular tachycardia episodes while filming. She is 34 years old when she collapsed during episode 14. On-site medics hurried to help her on set. Crew members and fellow contestants were left shaken. The underlying heart condition caused a short filming shutdown. Daily Mail reported on the brief stop.
Contestant Lisa stayed by Courtney during the episodes. She supported her through the terrifying moments. Nine.com.au and Who.com.au detailed the medical intervention. They noted how quickly a health crisis can unfold and the shock it brought to the team.