Blood commit.

code/game/machinery/iv_drip.dm

@@ -151,7 +151,7 @@
 				return
 
 			// If the human is losing too much blood, beep.
-			if(attached.blood_volume < BLOOD_VOLUME_SAFE && prob(5))
+			if(attached.blood_volume < ( (BLOOD_VOLUME_SAFE*attached.blood_ratio) && prob(5) ) )
 				visible_message("[src] beeps loudly.")
 				playsound(loc, 'sound/machines/twobeep.ogg', 50, 1)
 			attached.transfer_blood_to(beaker, amount)
@@ -224,4 +224,4 @@
 	to_chat(user, "<span class='notice'>[attached ? attached : "No one"] is attached.</span>")
 
 #undef IV_TAKING
-#undef IV_INJECTING
+#undef IV_INJECTING