diff --git a/code/modules/mob/living/carbon/human/life.dm b/code/modules/mob/living/carbon/human/life.dm
index 47af54c0d0b..2667535e50d 100644
--- a/code/modules/mob/living/carbon/human/life.dm
+++ b/code/modules/mob/living/carbon/human/life.dm
@@ -32,9 +32,10 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 	var/pressure_alert = 0
 	var/prev_gender = null // Debug for plural genders
 	var/temperature_alert = 0
-	var/in_stasis = 0
+	var/in_stasis = 0
 	var/exposedtimenow = 0
-	var/firstexposed = 0
+	var/firstexposed = 0
+	var/heartbeat = 0
 
 /mob/living/carbon/human/Life()
 	set invisibility = 0
@@ -109,9 +110,11 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 		handle_pain()
 
 		handle_medical_side_effects()
-
+		
+		handle_heartbeat()
+
 	if(stat == DEAD)
-		handle_decay()
+		handle_decay()
 
 	handle_stasis_bag()
 
@@ -464,8 +467,8 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 			affected.add_autopsy_data("Suffocation", oxyloss)
 
 			oxygen_alert = max(oxygen_alert, 1)
-
-			return 0
+
+			return 0
 
 		return species.handle_breath(breath, src)
 
@@ -498,7 +501,8 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 			//Body temperature is too hot.
 			fire_alert = max(fire_alert, 1)
 			if(status_flags & GODMODE)	return 1	//godmode
-			if(bodytemperature >= species.heat_level_1 && bodytemperature <= species.heat_level_2)
+
+			if(bodytemperature >= species.heat_level_1 && bodytemperature <= species.heat_level_2)
 				take_overall_damage(burn=HEAT_DAMAGE_LEVEL_1, used_weapon = "High Body Temperature")
 				fire_alert = max(fire_alert, 2)
 			if(bodytemperature > species.heat_level_2 && bodytemperature <= species.heat_level_3)
@@ -515,7 +519,9 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 		else if(bodytemperature < species.cold_level_1)
 			fire_alert = max(fire_alert, 1)
 			if(status_flags & GODMODE)	return 1	//godmode
+
 			if(stat == DEAD) return 1 //ZomgPonies -- No need for cold burn damage if dead
+
 			if(!istype(loc, /obj/machinery/atmospherics/unary/cryo_cell))
 				if(bodytemperature >= species.cold_level_2 && bodytemperature <= species.cold_level_1)
 					take_overall_damage(burn=COLD_DAMAGE_LEVEL_1, used_weapon = "Low Body Temperature")
@@ -1610,7 +1616,7 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 					break
 
 		return temp
-
+
 	proc/handle_decay()
 		var/decaytime = world.time - timeofdeath
 
@@ -1645,6 +1651,22 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 						return
 					H << "<spawn class='warning'>You smell something foul..."
 					H.vomit()
+
+	proc/handle_heartbeat()
+		if(pulse == PULSE_NONE)
+			return
+
+		if(pulse >= PULSE_2FAST || shock_stage >= 10 || istype(get_turf(src), /turf/space))
+			//PULSE_THREADY - maximum value for pulse, currently it 5.
+			//High pulse value corresponds to a fast rate of heartbeat.
+			//Divided by 2, otherwise it is too slow.
+			var/rate = (PULSE_THREADY - pulse)/2
+
+			if(heartbeat >= rate)
+				heartbeat = 0
+				src << sound('sound/effects/singlebeat.ogg',0,0,0,60)
+			else
+				heartbeat++
 
 /*
 	Called by life(), instead of having the individual hud items update icons each tick and check for status changes
@@ -1664,7 +1686,8 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 
 		hud_list[HEALTH_HUD] = holder
 
-	if(hud_updateflag & 1 << STATUS_HUD)
+
+	if(hud_updateflag & 1 << STATUS_HUD)
 		var/foundVirus = 0
 		for (var/ID in virus2)
 			if (ID in virusDB)
@@ -1698,7 +1721,8 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 		hud_list[STATUS_HUD] = holder
 		hud_list[STATUS_HUD_OOC] = holder2
 
-	if(hud_updateflag & 1 << ID_HUD)
+
+	if(hud_updateflag & 1 << ID_HUD)
 		var/image/holder = hud_list[ID_HUD]
 		if(wear_id)
 			var/obj/item/weapon/card/id/I = wear_id.GetID()
@@ -1712,7 +1736,8 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 
 		hud_list[ID_HUD] = holder
 
-	if(hud_updateflag & 1 << WANTED_HUD)
+
+	if(hud_updateflag & 1 << WANTED_HUD)
 		var/image/holder = hud_list[WANTED_HUD]
 		holder.icon_state = "hudblank"
 		var/perpname = name
@@ -1737,7 +1762,8 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 						break
 		hud_list[WANTED_HUD] = holder
 
-	if(hud_updateflag & 1 << IMPLOYAL_HUD || hud_updateflag & 1 << IMPCHEM_HUD || hud_updateflag & 1 << IMPTRACK_HUD)
+
+	if(hud_updateflag & 1 << IMPLOYAL_HUD || hud_updateflag & 1 << IMPCHEM_HUD || hud_updateflag & 1 << IMPTRACK_HUD)
 		var/image/holder1 = hud_list[IMPTRACK_HUD]
 		var/image/holder2 = hud_list[IMPLOYAL_HUD]
 		var/image/holder3 = hud_list[IMPCHEM_HUD]
@@ -1756,10 +1782,10 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 					holder3.icon_state = "hud_imp_chem"
 
 		hud_list[IMPTRACK_HUD] = holder1
-		hud_list[IMPLOYAL_HUD] = holder2
+		hud_list[IMPLOYAL_HUD] = holder2
 		hud_list[IMPCHEM_HUD] = holder3
 
-	if(hud_updateflag & 1 << SPECIALROLE_HUD)
+	if(hud_updateflag & 1 << SPECIALROLE_HUD)
 		var/image/holder = hud_list[SPECIALROLE_HUD]
 		holder.icon_state = "hudblank"
 
@@ -1848,6 +1874,7 @@ var/global/list/brutefireloss_overlays = list("1" = image("icon" = 'icons/mob/sc
 		speech_problem_flag = 1
 	return stuttering
 
+
 // Need this in species.
 //#undef HUMAN_MAX_OXYLOSS
 //#undef HUMAN_CRIT_MAX_OXYLOSS
diff --git a/sound/effects/singlebeat.ogg b/sound/effects/singlebeat.ogg
new file mode 100644
index 00000000000..8dd550d5d84
Binary files /dev/null and b/sound/effects/singlebeat.ogg differ