Heart Attacks will murder you now

Also sanity check for cursed heart overlay

code/datums/diseases/heart_failure.dm

@@ -57,8 +57,8 @@
 				if(H.stat == CONSCIOUS)
 					H.visible_message("<span class='userdanger'>[H] clutches at [H.p_their()] chest as if [H.p_their()] heart is stopping!</span>")
 				H.adjustStaminaLoss(60)
-				H.reagents.add_reagent("corazone", 3) // To give the victim a final chance to shock their heart before losing consciousness
 				H.set_heartattack(TRUE)
+				H.reagents.add_reagent("corazone", 3) // To give the victim a final chance to shock their heart before losing consciousness
 				cure()
 
 	else

code/modules/surgery/organs/heart.dm

@@ -113,6 +113,10 @@
 	if(owner)
 		to_chat(owner, "<span class ='userdanger'>Your heart has been replaced with a cursed one, you have to pump this one manually otherwise you'll die!</span>")
 
+/obj/item/organ/heart/cursed/Remove(mob/living/carbon/M, special = 0)
+	..()
+	M.remove_client_colour(/datum/client_colour/cursed_heart_blood)
+
 /datum/action/item_action/organ_action/cursed_heart
 	name = "Pump your blood"