ACLS Flashcards

1
Q

what is the shock energy for biphasic cardiac arrest?

A

120-200 J

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2
Q

what is the shock energy for monophasic cardiac arrest?

A

360 J

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3
Q

what is the drug therapy for cardiac arrest?

A
  • EPI IV/IO 1 mg every 3-5 min
  • vasopressin IV/IO 40 units can replace 1st or 2nd dose of EPI
  • amiodarone IV/IO first dose 300 mg bolus, second dose 150 mg
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4
Q

how is ET tube placement confirmed?

A

waveform capnopgraphy

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5
Q

what is the RR in cardiac arrest respirations?

A

8-10 per minute (with continuous chest compressions)

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6
Q

what are the reversible causes of cardiac arrest?

A
  • hypovolemia
  • hypoxia
  • hydrogen ion (acidosis)
  • hypo/hyperkalemia
  • hypothermia
  • tension pneumothorax
  • tamponade
  • toxins
  • thrombosis, pulmonary
  • thrombosis, coronary
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7
Q

for ROSC oxygen saturation should be maintained at at least _____%

A

94%

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8
Q

how is hypovtension (SBP under 90) treated in ROSC?

A
  • IV/IO bolus (1-2 L NS or LR)
  • vasopressor infusion
  • consider treatable causes
  • 12-lead ECG
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9
Q

when do you consider induced hypothermia (4 degree NS) in ROSC?

A

if patient is not able to follow commands following treatment of oxygen saturation and hypotension

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10
Q

what is the dosage of vasopressor (EPI) infusion in ROSC? what about dopamine? what about NE?

A
  • EPI: 0.1-0.5 mcg/kg per minute
  • DA: 5-10 mcg/kg per minute
  • NE: 0.1-0.5 mcg/kg per minute
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11
Q

what HR is considered bradyarrhythmia?

A

50 / minute or less

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12
Q

what are the symptoms of symptomatic bradycardia?

A
  • hypotension
  • acutely altered mental status
  • signs of shock
  • ischemic chest discomfort
  • acute HF
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13
Q

what is the drug therapy (and dosages) for symptomatic bradycardia?

A
  • atropine IV (first line): 0.5 mg bolus first dose, repeated every 3-5 minutes [max 3mg]
  • transcutaneous pacing
  • dopamine IV: 2-10 mcg/kg per minute
  • EPI IV: 2-10 mcg per minute
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14
Q

what are the symptoms of symptomatic tachycardia with a pulse?

A
  • hypotension
  • acutely altered mental status
  • signs of shock
  • ischemic chest discomfort
  • acute HF
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15
Q

if signs and symptoms of tachycardia with a pulse are PRESENT, what do you do?

A

synchronized cardioversion

  • consider sedation
  • if regular narrow complex, consider adenosine
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16
Q

if signs and symptoms of tachycardia with a pulse are ABSENT, what is the next step?

A

determine if there is a wide QRS (0.12 seconds or longer)

17
Q

if there is a wide QRS (0.12 seconds or longer) in NON-sympomatic tachycardia with a pulse, what do you do?

A
  • IV access and 12-lead ECG
  • consider adenosine only if regular and monomorphic
  • consider antiarrhythmic infusion
  • consider expert consultation
18
Q

if there is NOT a wide QRS (0.12 seconds or longer) in NON-sympomatic tachycardia with a pulse, what do you do?

A
  • IV access and 12-lead ECG
  • vagal maneuvers
  • adenosine (if regular)
  • BB or CCB
  • consider expert consultation
19
Q

what are the doses / details of synchronized cardioversion in symptomatic tachycardia with a pulse?

A
  • narrow regular: 50-100 J
  • narrow irregular: 120-200 J biphasic or 200 J monophasic
  • wide regular: 100 J
  • wide irregular: defibrillation (NOT synchronized)
20
Q

what is the drug therapy / dosage for asymptomatic tachycardia with a pulse (only wide complex QRS)?

A

adenosine IV: first dose 6 mg rapid push followed by NS, second dose 12 mg if required

21
Q

what is the antiarrhythmic drug therapy for tachycardia with a pulse (with or without wide QRS)?

A
  • procainamide IV: 20-50 mg/min until arrhythmia suppressed, hypotension ensues, QRS duration increases 50% or more, or max dose 17mg/kg; maintenance infusion 1-4mg/kg
  • amiodarone IV: first dose 150 mg over 10 min repeat PRN if VT returns; follow with maintenance infusion 1 mg/min for first 6 hrs
  • sotalol IV: 100 mg (1.5mg/kg) over 5 min; avoid if prolonged QT