memer boy on Instagram: "The video captures passengers on an airplane performing CPR on an elderly man experiencing cardiac arrest, including a precordial thump—a sharp chest strike visible around the 20-second mark—to potentially restore heart rhythm, rather than an assault. - Posted by , a low-follower account sharing dramatic clips, it amassed 3.4 million views and 114 replies within 24 hours, many debunking violence assumptions with explanations of the medical emergency. - American Heart Ass