
Also known as: Shrapnel injury with artery damage
A historical reenactor is injured when a firework explodes prematurely, embedding shrapnel in his arm. During surgery, an undetonated mortar charge explodes, causing severe arterial and nerve damage requiring complex reconstruction.
Also known as: Lost both legs
A man on a first date loses his foot to a speedboat propeller during a skinny-dipping accident. The episode focuses on the race to find the severed foot in the lake and attempt replantation surgery before the ischemic window closes.
Also known as: Shock from blood loss
The amputee patient presents in hypovolemic shock from massive blood loss, requiring aggressive fluid and blood resuscitation before surgical intervention can proceed.
Also known as: Nerve damage
The shrapnel patient develops multiple nerve avulsions beyond the plexus after the secondary explosion, requiring complex nerve grafting and end-to-side neurorrhaphy to preserve arm function.
Also known as: Gunshot wound to artery
Severe trauma to the distal subclavian artery occurs during the secondary explosion in the firework patient's surgery, requiring arterial bypass and complex vascular repair.
Also known as: Paralysis
Dr. Lim's ongoing paralysis from the previous surgery is a major emotional subplot, driving conflict between Shaun and Glassman. Shaun claims to have discovered a surgical solution to cure her paralysis by episode's end.
Also known as: ACL tear
Dr. Powell reveals in backstory that she tore her ACL in high school, ending her Division I soccer prospects and leading to her joining the Naval Academy instead.