Claire Cerbie, a registered nurse, noticed Ken Jeffries in medical distress at an airport and immediately took action. She rushed to help him, began performing CPR, and instructed another good Samaritan to fetch a defibrillator. Cerbie used the defibrillator to deliver a life-saving shock to Jeffries' heart while continuing chest compressions. Her quick response and expertise helped save Jeffries' life.
Ken Jeffries experienced a heart attack at the airport due to a sudden blockage in blood flow to his heart muscle, which prevented it from receiving enough oxygen. This medical emergency, also known as a myocardial infarction, caused him to lose consciousness and required quick intervention with CPR and a defibrillator from a nearby nurse, Claire Cerbie, to save his life.
Claire Cerbie identified Ken Jeffries was having a heart attack by noticing his laboured breathing and snoring sounds, which she recognized as signs of a heart attack based on her experience as a registered nurse.