The Block 2026 contestant Courtney suffered 15 supraventricular tachycardia episodes during production. She is 34 years old before collapsing during episode 14. On-site medics rushed to assist her on set. Crew members and fellow contestants were left shaken. The scary heart condition forced a short filming shutdown. Daily Mail covered the brief stop.
Contestant Lisa remained alongside Courtney during the episodes. She supported her through the terrifying moments. Nine.com.au and Who.com.au outlined the medical intervention. They noted how quickly a health crisis can develop and the shock it caused among the team.