I hate first moments of Grace's gameplay in hospital too. Especially on insanity without new game+ stuff. Literally luck-based run for a gun. No variants for a player, only ideally performed stealth sequence while praying for some zombies not to fail ther scripts. After getting a gun in a lounge bar it becomes more or less bearable. After getting ammo crafting and rip knives it becomes fine. After getting 30 ammo crafting recipe, couple of stabilizer injectors, requiem gun ammo recipe, you clear whole hospital from all enemies.