Adds: cybernetic_heart_u and VV viewer.

code/modules/surgery/organs/heart.dm

@@ -175,11 +175,41 @@
 	icon_state = "heart-c"
 	organ_flags = ORGAN_SYNTHETIC
 
-/obj/item/organ/heart/cybernetic/emp_act()
+/obj/item/organ/heart/cybernetic/emp_act(severity)
 	. = ..()
 	if(. & EMP_PROTECT_SELF)
 		return
 	Stop()
+	addtimer(CALLBACK(src, .proc/Restart), 20/severity SECONDS)
+	damage += 100/severity
+
+/obj/item/organ/heart/cybernetic/upgraded
+	name = "upgraded cybernetic heart"
+	desc = "An electronic device designed to mimic the functions of an organic human heart. Also holds an emergency dose of epinephrine, used automatically after facing severe trauma. This upgraded model can regenerate its dose after use."
+	icon_state = "heart-c-u"
+	maxHealth = 2 * STANDARD_ORGAN_THRESHOLD
+
+	//I put it on upgraded for now.
+	var/dose_available = TRUE
+	var/rid = /datum/reagent/medicine/epinephrine
+	var/ramount = 10
+
+obj/item/organ/heart/cybernetic/upgraded/on_life()
+	. = ..()
+	if(dose_available && owner.health <= owner.crit_threshold && !owner.reagents.has_reagent(rid))
+		owner.reagents.add_reagent(rid, ramount)
+		used_dose()
+	if(ramount < 10) //eats your nutrition to regen epinephrine
+		var/regen_amount = owner.nutrition/2000
+		owner.nutrition -= regen_amount
+		ramount += regen_amount
+
+/obj/item/organ/heart/cybernetic/upgraded/proc/used_dose()
+	. = ..()
+	addtimer(VARSET_CALLBACK(src, dose_available, TRUE), 5 MINUTES)
+	ramount = 0
+
+
 
 /obj/item/organ/heart/freedom
 	name = "heart of freedom"