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Pierce County
FIRE/EMS Response
Plan for Excited
Delirium (ExDs)
SGT. CARPENTER PCSD
FF/PM LORENZ CPFR
Excited Delirium History

1849 – Concept of death due to excited delirium was introduced by
Dr. Luther Bell – Bell’s Mania syndrome. “Chronic Exhaustive
Syndrome”

1960’s – Development of Psychiatric drugs that prevented Bell’s
Mania. “Chronic Exhaustive Syndrome” and ExDS no longer a
problem.

1980’s – Acute form of Exhaustive Syndrome starts to occur due to
the use and abuse of stimulant drugs such as Cocaine and PCP
Sgt. Carpenter PCSD
Excited Delirium History

1985 – The term “excited delirium” was coined in 1985 by C.V. Wetli
and D. A. Fishbain in their publication, “Cocaine-induced psychosis
and sudden death in recreational cocaine users.”

1988 “Positional Asphyxia” term coined by Dr. Reay, King County
Medical Examiner, WA. Despite ban on the use of hog tying, deaths
continued to occur. Further research was done. (Reay, Flinger,
Stillwell and Arnold, 1992)
Sgt. Carpenter PCSD
“Excited Delirium” Definition

A state of extreme mental and physiological excitement,
characterized by extreme agitation, hyperthermia,
euphoria, exceptional strength and endurance without
apparent fatigue.
(Morrison & Sadler, 2001)

Excited Delirium is a “medical emergency” no matter
what the cause.
(Barkley Burnett & Adler, 2004)

An altered mental state with impaired cognition and
perception, and severe psycho-motor agitation.
(WPSTC Special Panel Review of ExDS 2011)
Sgt. Carpenter PCSD

Death from Excited Delirium Syndrome results from a fatal
cardiac arrhythmia due to hyper-adrenergic state caused by:
1.
The excited delirium, which in itself triggers release of catecholamines
1.
Catecholamines are hormones made by the adrenal glands. These glands
are on top of the kidneys. Catecholamines are released into the blood
when a person is under physical or emotional stress. The main
catecholamines are dopamine, norepinephrine, and epinephrine (which
used to be called adrenalin). (National Institute of Health)
2.
Additional release of catecholamines due to the struggle
3.
A rapid and steep drop in blood potassium concentrations following
cessation of the struggle in association with increasing levels of
catecholamines (period of peril).
Sgt. Carpenter PCSD

The hyper-adrenergic state is almost invariably
aggravated by the effects of:
1.
Illegal stimulants, which directly and indirectly cause increased
levels of catecholamines
2.
Medications that have either the same actions as the stimulants in
causing increased concentrations of catecholamines and/or
cause prolongation of the QT interval.
3.
The presence of natural disease of a degree insufficient in itself to
cause death but when in combination with a hyper-adrenergic
state can do so.
Sgt. Carpenter PCSD
FIRE/EMS Role

Interrupt the pathophysiology cascade through sedation and
medical measures outlined in the Pierce County ExDs Protocol.

Then end result increasing the likelihood of a positive outcome for
the patient and increased safety for the patient, citizens and first
responders.
ExDs is a JOINT
LE/Fire/EMS problem
ExDS Response Measures
IDENTIFY – Observe, record, and communicate the indicators related to
this syndrome – handle primarily as a MEDICAL EMERGENCY.
CONTROL
– Control and/or restrain subject as soon as possible to
reduce the risks related to a prolonged struggle
SEDATE –
Administer sedation as soon as possible. Consider calming
measures. Remove unnecessary stimuli where possible, including lights and
sirens.
TRANSPORT –
Take to hospital as soon as possible for full medical
assessment and/or treatment.
WPSTC – Special Panel Review of ExDS (2011)
Sgt. Carpenter PCSD
IDENTIFY –

Extremely aggressive or violent
behavior

Attempted “self cooling” or hot to
touch

Constant or near constant
physical activity

Rapid breathing

Profuse sweating

Keening (unintelligible animal-like
noises)

Does not respond to police
presence

Attracted to/destructive of
glass/reflective


Attracted to bright lights/loud
sounds
Insensitive to/extreme tolerant of
pain


Naked / inadequately clothed
Excessive Strength (out of
proportion)

Does not tire despite heavy
exertion.
Sgt. Carpenter PCSD
Hyperthermia
is the core
difference between an
Excited Delirium Episode
and a Psychotic or drug
induced delirium
CONTROL & COMMUNICATION

When dispatched to a known ExDs pt by LE request a common
frequency (i.e. LEARN)

Standby within visual range

Establish verbal contact with LE

Coordinate restraint & sedation plan with LE
CONTROL & COMMUNICATION
(continued)

If Fire/EMS finds themselves confronted by a potential ExDs request
LE immediately and identify reason for request as Excited Delirium

If Fire/EMS deem it necessary to intervene prior to LE arrival due to
pt. , crew, and/or public safety Ensure Adequate Back-Up

Recommended minimum of four FF/EMS

Try to verbally de-escalate

Eliminate unnecessary audible and visual stimulus
CONTROL & COMMUNICATION
(continued)

Ensure Breathing

DO NOT hinder the pt’s ability to breathe!

DO NOT subject their thorax to unnecessary weight.

Place / secure subject into a recovery position.

Pt’s will be metabolically acidotic from the intense exertion.

Pt’s need to breathe at a faster and deeper rate to buffer the build-up
of metabolic acid and prevent cardiopulmonary arrest.
SEDATE 
Prepare sedation prior to making contact

Ketamine is the first line for ExDs sedation followed by Valium &
Versed

Have gurney and restraints in position

Ensure proper documentation of use for restraints, how they were
applied, and CMS before and after
TRANSPORT 
Transport Immediately to nearest appropriate receiving facility

LE WILL follow or accompany medic unit
Any Question’s