The Block 2026 contestant Courtney experienced 15 supraventricular tachycardia episodes while filming. She is 34 years old and collapsed during episode 14. Emergency responders rushed to assist her on set. Crew members and fellow contestants were left shaken. The sudden heart issue caused a short filming shutdown. Daily Mail detailed the brief stop.
Contestant Lisa stayed by Courtney during the episodes. She supported her through the distressing situation. Nine.com.au and Who.com.au outlined the medical intervention. They noted how quickly a health crisis can develop and the shock it created across the team.