electrical therapies Flashcards

1
Q

when do we use anterior posterior pad placements for adult

A
  • pacing
  • cardioversion
  • vector change
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2
Q

when can you treat for symtomatic bradycardia

A

> 18
hr <50
- hemodynamic instability

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3
Q

what is the treatment for symptomatic bradycardia?

A
  • atropine
  • trancutaneous pacing
  • can consider dopamine
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4
Q

what is the posterior pad placement for transcutaneous pacing?

A
  • beneath the scalpula
  • lateral to the spine
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5
Q

how do we know if the transcutaneous pacing is working properly

A

when we are feeling a palpable pulse during the pacing spike and ventricular complex

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6
Q

how can you as a pcp treat for symptomatic bradycardia?

A
  • start a fluid bolus
  • call an ACP
  • move towards transport
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7
Q

when do ACPs use syncornized cardioversions?

A
  • during tachydisrhythmias (NOT SINUS TACH)
  • hemodynamic instability
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8
Q

why might synchronized cardioversion be done for a patient with rapid a fib?

A

there is risk of throwing a clot and causing a stroke

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9
Q

what happens if the ACP doents sync and shocks not on beat?

A

it can cause r on t and cause asystole

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10
Q

what can you as a PCP do if you have a patient who is in a tachydysrhtmia?

A
  • star bolus
  • call ACP
  • move towards transport
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11
Q

how should you start an IV if you belive that this patient will need adenosine?

A

used the largest bore needle and start the IV on the right AC

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12
Q

when is double sequential defib used?

A

in cases of refractory VF and VF

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13
Q

what is the MOA of adenosine?

A
  • slows conduction at the AV node
  • Increases potassium efflux hyperpolarizing the cell
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14
Q

when is Adenosine used?

A
  • stable SVT and vagal attempts are unsuccessful
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15
Q

what rhythms can adenosine send a pt in ?

A
  • heart block, transient asystole or another cardiac arhythmia
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16
Q

what is the half life of adenosine? what is the duration of action?

A

<10 seconds?
15 to 20 seconds

17
Q

what is the class and MOA for atropine?

A
  • anticholinergic
  • antagonist of ACH muscarinic receptor
18
Q

what are the indications for atropine

A
  • synptomatic bradycardia
  • cholinergic toxcitiy
19
Q

contraindication for atropine

A
  • hypothermia
  • heart transplant
20
Q

what are the indications for amiodarone?

A
  • refractory VT VF
  • wide complex tachdysrhythmia
21
Q

what precautions come with amiodarone?

A

decreased bp and HR
proarrhthmic

22
Q

what is the MOA for amiodarone?

A
  • K+ channel blocker
  • flows efflux of K+ during repolarization
  • proloongs absolute refractory period
23
Q

what are the indications for calcium gluconate

A
  • hypercalemia
  • calcium channel blocker overdose
24
Q

why is calcium gluconate always given IV and not IM

A

it can cause necrosis

25
Q

what is the MOA of dopamine?

A
  • increases BP and CO
  • stimulates alpha/beta adrenergic receptors
26
Q

indications for Dopamine

A
  • hemodynamic instability not hypovolemic related
  • symptomatic bradycardia
27
Q

contraindications for dopamine?

A
  • tachydysrhythmias
  • phenochromocytoma
  • mechanical shock
28
Q

what does moderate doses 2 - 10 of dopamine do?

A
  • stimulates beta receptors
  • increases cardiac output/ contractility
29
Q

what does high does >10 of dopamine do?

A
  • stimulates alpha receptors
  • increases BP through vasoconstriction
30
Q

indications for sodium bicarb

A
  • prolonged arrest
  • TCA OD
31
Q
A