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47 Cards in this Set
- Front
- Back
Describe steps in VF Treated with CPR & AED
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Activate EMS / Get AED
Check Pulse: ---If no pulse - Begin 30comp:2breaths ---If pulse give 1 breath every 5-6 seconds, recheck pulse every 2 minutes Place AED |
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VF Tx w/CPR&AED - Pulsless: Shockable rhythm
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Give 1 shock
Resume CPR for 2 minutes |
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VF Tx w/CPR&AED - Pulseless: Rhythm is not shockable
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Resume CPR for 2 minutes
Check rhythm every 2 minutes Continue until ALS providers take over |
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VF Tx w/CPR&AED: Intro - Pulse present
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Activate EMS / Get AED
Check Pulse - present -> Give 1 breath every 5-6 seconds Give 1 breath every 5-6 seconds Recheck pulse every 2 minutes |
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VF Tx w/CPR&AED: Protocol if pulseless
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Activeate EMS / Get AED
Begin 30comp:2breaths Place AED |
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For every minute that passes between collapse and defibrillation, the chance of survival from a witnessed VF sudden cardiac arrest declines by:
_____ % if no CPR is provided _____ % if CPR is provided |
7-10% if no CPR is provided
3-4% if CPR is provided |
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AED's should only be used in the setting of what 3 clinical findings??
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No response
Absent or Abnormal breathing No pulse |
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Which of the following scenarios are shockable vs non-shockable:
--VF/Pulseless VT --Asystole / PEA |
VF/Pulseless VT - Shockable
Asystole / PEA - Nonshockable |
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What action should be undertaken if PETCO2 < 10mmHg
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Attempt to improve CPR quality
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What action should be undertaken if diastolic < 20mmHg
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Attempt to imporve CPR quality
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What is the significance of abrupt sustained increase in PETCO2 >= 40mmHg
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ROSC
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What is the sequence of VF/VT?
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Start CPR
Shock CPR 2 minutes IV Access Advanced Airway/Capnography Assess rhythm - if not Shockable : Asystole/PEA, if Shockable: ---Shock ---CPR 2 minutes ---Capnography ---Epi every 3-5 minutes Assess rhythm - if not Shockable : Asys/PEA, if Shockable: ---Shock ---CPR x 2 minutes ---Amiodarone |
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What is the sequence for Asystole/PEA?
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CPR x 2 min
IV Access Epi 1mg every 3-5 min Advance airway/capnography ┌─►Assess Rhythm, if Shockable go to VF/VT │ if not shockable: └──CPR x 2 min |
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List shock energy for
Biphasic - first and second shock Monophasic - first and second shock |
Biphasic - Initial: 120-200J / Subsequent: equivalent or higher
Monophasic - Initial & Subsequent: 360J |
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List reversible causes of arrest: 5H
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Hypovolemia
Hypoxemia Hypothermia Hypo/hyperkalemia Hydrogen Ion - Acidosis |
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List reversible causes of arrest: 5T
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Tension ptx
Tamponade, cardiac Toxins Thrombosis, pulmonary Thrombosis, coronary |
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What medication/dosing may be used if Amiodarone is not available?
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Lidocaine 1-1.5 mg/kg IV/IO followed by 0.5-0.75mg/kg every 5-10 min to max dose of 3mg/kg
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What procedure should follow each IV/IO dose of epi?
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20ml flush IV fluid
Elevate extremity above the level of the heart for 10-20 seconds |
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What are the two arrest pathways in the Cardiac Arrest Algorithm?
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Asystole/PEA -and- Vfib/VTach
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Define PEA
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Organized rhythm without pulse
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How much time should be taken for pulse check?
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5-10 seconds
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What is the role of routine fibrinolytic treatment in patients with cardiac arrest without known pulmonary embolus?
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No role - it is of no benefit and not recommended
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What are the two most common and easily reversible causes of PEA?
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Hypovolemia and hypoxia
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What are the first 5 steps of supportive care in bradycardia?
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Maintain airway
O2 Cardiac monitor IV Access 12 lead EKG (if available) |
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In the setting of bradycardia, what symptoms indicate instability and need to treat?
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Hypotension
Altered mental status Signs of shock Ischemic chest discomfort Acute heart failure |
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What is the first line treatment for bradycardia?
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Atropine
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If atropine is ineffective in the treatment of bradycardia, what other pharmacological options are available?
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Dopamine IV infusion (2-10mcg/kg/min)
Epinephrine IV infusion (2-10mcg/minute) |
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In what two types of AV block is atropine contraindicated?
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Second degree - Mobitz type II
Third degree |
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What is the atropine dosage used in AVB?
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Start 0.5mg bolus
Repeat every 3-5 minutes Maximum total dose 3mg |
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What is the role of transvenous pacing in symptomatic bradycardia?
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Second-line treatment
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At what current setting should transcutaneous pacing be set?
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2mA aobve the dose at which consistent capture is observed
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In the setting of infarction, which rhythms are indications for the placement of TCP electrodes in anticipation of clinical deterioration?
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1) Sinus node dysfunction with severe bradycardia
2) Second Degree AV Block - Mobitz Type II 3) Third degree AV block 4) Newly acquired left, right or alternating BBB or bifascicular block |
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In what type of tachyarrhythmia is adenosine indicated?
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REGULAR and monomprophic
REGULAR Narrow complex tachycardia |
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List types of tachyarrhythmias (Narrow/wide versus Regular/Irregular) and initial recommended cardioversion doses - specify synchronized versus unsynchronized
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Narrow Regular: SYNC 50-100 J
Narrow Irregular; SYNC 120-200J Biphasic / 200J monophasic Wide regular: SYNC 100J Wide Irregular: UNSYNC Defib dosing |
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What is the QRS width beyond which QRS is considered wide complex?
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>= 0.12 second
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In what rhythyms are synchronized shocks recommended:
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Unstable SVT or VT with pulses
Unstable Afib, Aflutter Unstable regular monomorphic tachycardia with pulses |
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In what rythyms are unsynchronized shokcs indicated?
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1) Pulseless patient
2) Uncertain whether monomorphic or polymorphic VT is present in the setting of an unstable patient 3) Clinical deterioration in prearrest |
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What are energy dosages for cardioversion of unstable Afib:
Monophasic? Biphasic? |
Monophasic: Initial 200J sync
Biphasic: Intiial 120-200J sync |
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What are energy dosages used for cardioversion of Aflutter and SVT:
Initial? Subsequent? |
Biphasic: Initial 50-100J
Increase dose in stepwise fashion |
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What is the dose used for cardioversion of monomorphic VT:
Initial? Subsequent? |
Initial dose: 100J
Subsequent dose: increase stepwise fashion |
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List monophasic synchronized initial doses for:
Unstable AFib Unstable monomorphic VT Unstable SVT A flutter Unstable Polymorphic VT |
Unstable Afib, Aflutter, SVT: 200J monophasic sync
Unstable Monomorphic VT: 100J monophasic sync Polymprophic VT - Treat as VF defib doses |
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In IV Adenosine - what is
1st dose Second dose |
1st dose: 6mg rapid IV push - followed with NS Flush
2nd dose: 12mg if required |
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In what setting is Adenosine contraindicated in tachycardia?
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Irregular whide-complex tachyarrhythmias
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What medical condition can be worsened by adenosine?
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Asthma - adenosine can induce bronchospasm
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In wide complex tachycardia, what characteristics indicate it is safe to use adenosine?
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regular and monomorphic
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In the setting of unstable tachycardia, under what 3 scenarios is unsynchronized shock indicated?
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1) Pulseless patient
2) Prearrest - clinical deterioration 3) Uncertain whether monomorphic or polymorphic VT is present |
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In unstable tachycardia, if an unsynchronized shock causes VF, what is the next treatment step?
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Attempt immediate defibrillation
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