July 2004Richard Lake1 Resuscitation Protocols FFP Module 8

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July 2004July 2004 Richard LakeRichard Lake 11

Resuscitation ProtocolsResuscitation Protocols

FFP Module 8FFP Module 8

July 2004July 2004 Richard LakeRichard Lake 22

Background InformationBackground Information

40% of deaths under the age of 75yrs in 40% of deaths under the age of 75yrs in Europe are due to cardiovascular diseaseEurope are due to cardiovascular disease

One third of people who suffer a myocardial One third of people who suffer a myocardial infarction die before reaching hospitalinfarction die before reaching hospital

Most die within an hour of the onset of acute Most die within an hour of the onset of acute symptomssymptoms

The majority of these deaths the presenting The majority of these deaths the presenting rhythm is Ventricular Fibrillation or pulseless rhythm is Ventricular Fibrillation or pulseless Ventricular Tachycardia, (VF/ pulseless VT)Ventricular Tachycardia, (VF/ pulseless VT)

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The only treatment for VF/ pulseless The only treatment for VF/ pulseless VT is attempted defibrillationVT is attempted defibrillation

With each minute’s delay the chance With each minute’s delay the chance of a successful outcome fall by 7-of a successful outcome fall by 7-10%10%

Once in hospital the incidence of VF Once in hospital the incidence of VF after Myocardial Infraction is after Myocardial Infraction is approximately 5%approximately 5%

Most likely presentation of in hospital Most likely presentation of in hospital cardiac arrest is asystole or pulseless cardiac arrest is asystole or pulseless electrical activity (PEA).electrical activity (PEA).

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The Chain of SurvivalThe Chain of Survival

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Early Access to emergency services Early Access to emergency services or cardiac arrest teamor cardiac arrest team

Out of hospital summon EMSOut of hospital summon EMS

by dialling 999/112by dialling 999/112 In hospital call cardiac arrestIn hospital call cardiac arrest

team ring 2222 (check team ring 2222 (check

number when on placement)number when on placement)

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External chest compressions and External chest compressions and

ventilation will slow down the ventilation will slow down the

rate of deterioration of the brain rate of deterioration of the brain

and heartand heart Basic Life Support should be Basic Life Support should be

performed immediately unlessperformed immediately unless

AED and trained personnel AED and trained personnel

availableavailable

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Basic Life SupportBasic Life Support

DangerDanger ResponseResponse Shout for HelpShout for Help AirwayAirway BreathingBreathing If no help arrived leave victim, go for If no help arrived leave victim, go for

helphelp CirculationCirculation

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DangerDanger

Check for danger to:Check for danger to: YourselfYourself BystandersBystanders VictimVictim Even clinical areas can have dangers, Even clinical areas can have dangers,

so so ALWAYS CHECKALWAYS CHECK

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ResponseResponse Check the victim for Check the victim for

responseresponse Ask a question, ‘hello are you Ask a question, ‘hello are you

alright?’alright?’ Give a command, ‘open your Give a command, ‘open your

eyes!’eyes!’ Give a painful stimulus; pinch Give a painful stimulus; pinch

the shoulderthe shoulder If no response shout for helpIf no response shout for help

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Checking for responseChecking for response

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AirwayAirway

Check the airwayCheck the airway Open the airway, place one hand on Open the airway, place one hand on

the victims forehead and gently tilt the victims forehead and gently tilt head backhead back

Remove any visible obstruction from Remove any visible obstruction from the victims mouth, including dislodged the victims mouth, including dislodged dentures. Leave well fitting dentures in dentures. Leave well fitting dentures in placeplace

DO NOT ATTEMPT ANY FINGER SWEEPSDO NOT ATTEMPT ANY FINGER SWEEPS

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Opening the airwayOpening the airway

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Jaw thrust technique may be Jaw thrust technique may be needed if C-spine injuryneeded if C-spine injury

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If available use airway If available use airway adjunctsadjuncts

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Nasopharyngeal airway Nasopharyngeal airway insertioninsertion

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Oropharyngeal airway Oropharyngeal airway insertioninsertion

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Laryngeal Mask Airways may Laryngeal Mask Airways may be used in cardiac arrest for be used in cardiac arrest for

emergency airway emergency airway managementmanagement

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The Laryngeal Mask AirwayThe Laryngeal Mask Airway

Latex-free, silicone Latex-free, silicone rubber tube connected rubber tube connected to an elliptical mask with to an elliptical mask with an inflatable outer riman inflatable outer rim Standard 15 mm male Standard 15 mm male

adaptoradaptor Pilot tube and balloon Pilot tube and balloon

attached to the inflatable attached to the inflatable outer rimouter rim

Bars cover the connection Bars cover the connection between the tube and the between the tube and the maskmask

Re-useable up to 40 times Re-useable up to 40 times (Autoclave)(Autoclave)

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BreathingBreathing

Keeping the airway open:Keeping the airway open: Look –Look – for chest movements for chest movements Listen – Listen – at the victims mouth for breath at the victims mouth for breath

soundssounds Feel – Feel – for air on your cheekfor air on your cheek Look, listen and feel for Look, listen and feel for no more than 10 no more than 10

secondsseconds to determine if the victim is not to determine if the victim is not breathing.breathing.

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If not breathing If not breathing and no help has arrivedand no help has arrived

Leave the victim and go to summon helpLeave the victim and go to summon help

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Turn the victim onto his back if he is not Turn the victim onto his back if he is not already in that positionalready in that position

Give 2 effective rescue breaths, each of which Give 2 effective rescue breaths, each of which should make the chest rise and fall should make the chest rise and fall

If you have difficulty achieving an effective If you have difficulty achieving an effective breath:breath:

Recheck the victims mouth and remove any Recheck the victims mouth and remove any obstructionobstruction

Recheck there is head tilt and chin lift Recheck there is head tilt and chin lift Make up to 5 attempts to achieve 2 effective Make up to 5 attempts to achieve 2 effective

breathsbreaths Even if unsuccessful move onto check Even if unsuccessful move onto check

circulationcirculation

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If available use a pocket If available use a pocket maskmask

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Bag valve mask device may be Bag valve mask device may be usedused

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CirculationCirculation

Look, listen and feel for normal Look, listen and feel for normal breathing, coughing, swallowing, eye breathing, coughing, swallowing, eye flickering, or any movement by the flickering, or any movement by the victimvictim

If you feel confident check for a If you feel confident check for a carotid pulsecarotid pulse

You should take no more than 10 You should take no more than 10 seconds to do thisseconds to do this

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Always check pulse same side Always check pulse same side as youas you

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If no breathing If no breathing but signs of circulation but signs of circulation

Continue rescue breaths at a rate of Continue rescue breaths at a rate of 10 breaths per minute10 breaths per minute

After every 10 breaths (every 1 After every 10 breaths (every 1 minute) recheck for signs of minute) recheck for signs of circulationcirculation

This should take no longer than 10 This should take no longer than 10 seconds to checkseconds to check

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If no breathing and If no breathing and no signs of circulationno signs of circulation

Commence CPR at a ratio ofCommence CPR at a ratio of

15 Compressions 15 Compressions

to 2 ventilationsto 2 ventilations

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Ensure correct hand Ensure correct hand positionposition

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The Chain of SurvivalThe Chain of Survival

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Chain of survivalChain of survival

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The need for defibrillationThe need for defibrillation

ventricular fibrillation: ventricular fibrillation: 80% of victims80% of victims

survival decreases: survival decreases: 10% per minute 10% per minute

only treatment: electrical only treatment: electrical defibrillation defibrillation

this means: delivering an this means: delivering an electric shock with a electric shock with a device called andevice called an “Automated External “Automated External Defibrillator” (AED)Defibrillator” (AED)

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Out of hospital the aim is toOut of hospital the aim is to

deliver a shock within deliver a shock within

5 minutes of the EMS receiving5 minutes of the EMS receiving

a calla call In hospital the first healthcare In hospital the first healthcare

responder should be trained andresponder should be trained and

authorised to use a defibrillatorauthorised to use a defibrillator

immediatelyimmediately

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What is an AED?What is an AED?

a device that a device that delivers delivers electric shocks electric shocks to victims with to victims with cardiac arrestcardiac arrest

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all AEDs share the same operating all AEDs share the same operating principlesprinciples

self-adhesive defibrillation electrodesself-adhesive defibrillation electrodes analyses the rhythm of the victim and analyses the rhythm of the victim and

decides when a shock is neededdecides when a shock is needed accuracy is almost 100%accuracy is almost 100%

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AED featuresAED features

voice promptsvoice prompts

memorymemory

analysinganalysing

ECGECG

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AED hands off padsAED hands off pads

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Using an AEDUsing an AED

three steps:

1.decide to use the AED

2.activate the AED

3.follow instructions

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Check safetyCheck safety

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Check responseCheck response

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Shout for helpShout for help

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Tilt head backTilt head backLift chinLift chin

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Check for breathingCheck for breathing

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Raise Raise thethe alarm alarm

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Check for signs of a Check for signs of a circulationcirculation

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Tilt head backTilt head backLift chinLift chin

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Switch on the AEDSwitch on the AED

If NO signs of a If NO signs of a circulationcirculation

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Attach the electrodesAttach the electrodes

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Follow directionsFollow directions

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Analysis of the heart rhythmAnalysis of the heart rhythm

ensure that ensure that everyone is everyone is clear during clear during analysis of the analysis of the rhythmrhythm

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If a shock is advisedIf a shock is advised

ensure that ensure that everybody is everybody is clear clear

push shock push shock buttonbutton

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If no shock If no shock isis advisedadvised check for signs of a check for signs of a

circulationcirculation if none present:if none present:

start CPR start CPR continue CPR until the AED continue CPR until the AED

tells you to stoptells you to stop if signs of a circulation are if signs of a circulation are

present (including normal present (including normal breathing):breathing):

recovery positionrecovery position check regularlycheck regularly

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Useful to knowUseful to know wipe skin dry before attaching electrodeswipe skin dry before attaching electrodes shave or cut excessive hair: shave or cut excessive hair: only if necessary!only if necessary! remove plastersremove plasters place electrodes away from pacemakersplace electrodes away from pacemakers

safety issues safety issues risk to the rescuerrisk to the rescuer risk to the victimrisk to the victim risk to the bystandersrisk to the bystanders

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Manual DefibrillatorManual Defibrillator

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Manual Defibrillator PaddlesManual Defibrillator Paddles

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DefibrillationDefibrillation

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Defibrillation should be Defibrillation should be performed promptlyperformed promptly

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Often defibrillation restores a Often defibrillation restores a

perfusing heart rhythm, this isperfusing heart rhythm, this is

often inadequate to sustain often inadequate to sustain

circulation and further circulation and further

advanced life support is advanced life support is

required to improve the required to improve the

chances of long term survivalchances of long term survival

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Remember the chain of Remember the chain of survivalsurvival

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The Universal Treatment The Universal Treatment AlgorithmAlgorithm

An important part of An important part of

Advanced Cardiac Life Advanced Cardiac Life SupportSupport

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ObjectivesObjectives

Recognise the four cardiac arrest Recognise the four cardiac arrest rhythmsrhythms

Identify correctly the appropriate Identify correctly the appropriate algorithm for each of the rhythmsalgorithm for each of the rhythms

Discuss the potential reversible Discuss the potential reversible causes of cardiac arrestcauses of cardiac arrest

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BLS Algorithm

if appropriate

Precordial Thump

Attach Monitor/Defib

Assess rhythm

During CPR Correct reversible causes

+/- Pulse Check

VF / VT NON VF/VT

DEFIB X 3 as necessary

CPR 1 MIN

CPR 3 min

Re-assess one minute after defibrillationCheck electrode / paddle positions

Attempt/verify airway/02/IV access Give adrenaline every 3 mins ? buffers/atropine/ pacing/antiarrhythmics

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BLS Algorithmif appropriate

Attach Monitor/Defib

Assess rhythm

+/- Pulse Check

VF / VT Non VF / VT

?

Precordial Thumpif appropriate

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BLS Algorithm

if appropriate

Precordial Thump

Attach Monitor/Defib

Assess rhythm

During CPR Correct reversible causes

+/- Pulse Check

VF / VT

DEFIB X 3 as necessary

CPR 1 MIN

Check electrode / paddle positions Attempt/verify airway/02/IV access Give adrenaline every 3 mins ? buffers/atropine/ pacing/antiarrhythmics

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BLS Algorithm

if appropriate

Precordial Thump

Attach Monitor/Defib

Assess rhythm

During CPR Correct reversible causes

+/- Pulse Check

NON VF/VT

CPR 3 min

Re-assess one minute after defibrillation

Check electrode / paddle positions Attempt/verify airway/02/IV access Give adrenaline every 3 mins ? buffers/atropine/ pacing/antiarrhythmics

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Potentially Reversible CausesPotentially Reversible Causes

HHypoxiaypoxia

HHypovolemiaypovolemia

HHyper/ Hypokalemia and metabolic yper/ Hypokalemia and metabolic disturbancesdisturbances

HHypothermiaypothermia

TTension pneumothoraxension pneumothorax

TTamponadeamponade

TToxic/ therapeutic disturbancesoxic/ therapeutic disturbances

TThrombo-embolic/ mechanical obstructionhrombo-embolic/ mechanical obstruction

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BLS Algorithm

if appropriate

Precordial Thump

Attach Monitor/Defib

Assess rhythm

During CPR Correct reversible causes

+/- Pulse Check

VF / VT NON VF/VT

DEFIB X 3 as necessary

CPR 1 MIN

CPR 3 min

Re-assess one minute after defibrillationCheck electrode / paddle positions

Attempt/verify airway/02/IV access Give adrenaline every 3 mins ? buffers/atropine/ pacing/antiarrhythmics

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Drugs used commonly Drugs used commonly during resuscitationduring resuscitation

Epinephrine (Adrenaline)Epinephrine (Adrenaline) AtropineAtropine AmiodaroneAmiodarone Magnesium SulphateMagnesium Sulphate Lidocaine (Lignocaine)Lidocaine (Lignocaine) Sodium BicarbonateSodium Bicarbonate CalciumCalcium

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Epinephrine (Adrenaline)Epinephrine (Adrenaline)

First line cardiac arrest drug, given after First line cardiac arrest drug, given after every 3 minutes of CPRevery 3 minutes of CPR

Dose 1mg (10ml of 1 in 10,000) IVDose 1mg (10ml of 1 in 10,000) IV Causes vasoconstriction, increased Causes vasoconstriction, increased

systemic vascular resistance increasing systemic vascular resistance increasing cerebral and coronary perfusioncerebral and coronary perfusion

Increases myocardial excitability, when Increases myocardial excitability, when the myocardium is hypoxic or ischaemicthe myocardium is hypoxic or ischaemic

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AtropineAtropine

Given for asystole or pulseless Given for asystole or pulseless electrical activity with a rate less electrical activity with a rate less than 60 beats per minutethan 60 beats per minute

3mg is given as a single intravenous 3mg is given as a single intravenous dosedose

It blocks the activity of the vagus It blocks the activity of the vagus nerve on the SA and AV nodes, nerve on the SA and AV nodes, increasing sinus automaticity and increasing sinus automaticity and facilitating AV node conductionfacilitating AV node conduction

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AmiodaroneAmiodarone

For Refractory VF/VT; haemodynamically stable For Refractory VF/VT; haemodynamically stable VT and other resistant tachyarrhythmiasVT and other resistant tachyarrhythmias

If VF or pulseless VT persists after the first 3 If VF or pulseless VT persists after the first 3 shocks then Amiodarone 300mg is considered.shocks then Amiodarone 300mg is considered.

If not pre-diluted, must be diluted in 5% dextrose If not pre-diluted, must be diluted in 5% dextrose to 20ml. (Will crystallise is mixed with saline)to 20ml. (Will crystallise is mixed with saline)

Should be given centrally but in an emergency Should be given centrally but in an emergency can be given peripherallycan be given peripherally

Increases the duration of the action potential in Increases the duration of the action potential in the atrial and ventricular myocardiumthe atrial and ventricular myocardium

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Magnesium SulphateMagnesium Sulphate

For refractory VF when For refractory VF when hypomagnesaemia is possible; hypomagnesaemia is possible; ventricular tachyarrhythmias when ventricular tachyarrhythmias when hypomagnesaemia is possiblehypomagnesaemia is possible

In refractory VF – 1 to 2g (2-4ml of In refractory VF – 1 to 2g (2-4ml of 50% magnesium sulphate) 50% magnesium sulphate) peripherally over 1 to 2 minutes. peripherally over 1 to 2 minutes.

Other circumstances 2.5g (5ml of 50% Other circumstances 2.5g (5ml of 50% magnesium sulphate) over 30 minutesmagnesium sulphate) over 30 minutes

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Lidocaine (Lignocaine)Lidocaine (Lignocaine)

For Refractory VF/ pulseless VT For Refractory VF/ pulseless VT (when Amiodarone is unavailable(when Amiodarone is unavailable

100mg for VF/ pulseless VT that 100mg for VF/ pulseless VT that persists after three shocks. Another persists after three shocks. Another 50mg can be given if necessary50mg can be given if necessary

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Sodium BicarbonateSodium Bicarbonate

Given for severe metabolic acidosis Given for severe metabolic acidosis and Hyperkalaemiaand Hyperkalaemia

50mmol (50ml of 8.4% solution), 50mmol (50ml of 8.4% solution), where there is an acidosis or cardiac where there is an acidosis or cardiac arrest associated with arrest associated with HyperkalaemiaHyperkalaemia

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CalciumCalcium

Administered when pulseless electrical Administered when pulseless electrical activity caused by: activity caused by:

HyperkalaemiaHyperkalaemia HypocalcaemiaHypocalcaemia Overdose of Calcium channel blocking Overdose of Calcium channel blocking drugsdrugs Dose 10ml of 10% calcium chloride Dose 10ml of 10% calcium chloride

repeated according to blood resultsrepeated according to blood results

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SummarySummary

Cardiac arrest can Cardiac arrest can have a variety of have a variety of causes causes

The chain of The chain of survival is essential survival is essential to improve to improve outcome from outcome from cardiac arrestcardiac arrest

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Awareness of the universal treatment Awareness of the universal treatment algorithm is important algorithm is important

A knowledge of the drugs used in A knowledge of the drugs used in cardiac arrest, their routes and cardiac arrest, their routes and dilution is also essentialdilution is also essential

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QuestionsQuestions