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Pharmacology > Adrenaline > Flashcards

Adrenaline Flashcards

1
Q

What is the drug classification for Adrenaline?

A

Sympathomimetic

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2
Q

Which receptors does Adrenaline stimulate in the sympathetic nervous system?

A

Alpha and Beta receptors

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3
Q

Which drug schedule is Adrenaline classified under?

A

S3 (Therapeutic Poison)

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4
Q

What are the indications for Adrenaline?

A
  1. Cardiac arrest
  2. Anaphylaxis
  3. Croup
  4. Severe life-threatening bronchospasm or silent chest
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5
Q

What are the contraindications for Adrenaline?

A

Nil in the emergency setting

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6
Q

What are the precautions for Adrenaline?

A
  • Hypertension
  • Hypovolaemic shock
  • Concurrent MAOI therapy
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7
Q

What actions does Adrenaline cause in the body?

A
  • Peripheral vasoconstriction (Alpha 1)
  • Increases heart rate by increasing the firing rate of the SA node (Beta 1)
  • Increases rate of conduction through the AV node (Beta 1)
  • Increases myocardial contractility and ventricular excitability (Beta 1)
  • Causes bronchodilation (Beta 2)
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8
Q

How much Adrenaline is in an adult auto-injector (EpiPen)?

A

300mcg

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9
Q

How much Adrenaline is in a junior auto-injector (EpiPen)?

A

150mcg

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10
Q

What is the onset for Adrenaline administered via IV?

A

30 seconds

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11
Q

What is the onset for Adrenaline administered via IM?

A

60 seconds

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12
Q

What is the duration of Adrenaline?

A

5 - 10 minutes

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13
Q

What are the side effects of Adrenaline?

A
  • Hypertension
  • Palpitations
  • Tachycardia/tachyarrhythmias
  • Pupil dilation
  • Tremor
  • Anxiety
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Pharmacology (24 decks)

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