With every passing moment squandered, the young man edged closer to the precipice of death.

His sister, spurred by urgency and fear of delay, flung herself over to administer CPR to the young man.

Following CPR, Norah swiftly interlocked her hands and started chest compressions, counting each beat aloud. After thirty chest compressions, Norah's voice pierced the tense air. "Come over. Do it again."