CPP Adrenaline Flashcards
Adrenaline
Presentations
a) 1mg adrenaline glass vile
(1ml of 1:1000 = 1mg/ml),
b) 1mg adrenaline glass vile
(10ml 1:10,000 = 100mcg),
c) EpiPen (300mcg) recommended for adults and children aged >5YO,
d) EpiPen Jr (150mcg) recommended for children 7.5 to 20kg (aged around
1 to 5yrs).
Adrenaline
Primary Emergency Indications
a) Cardiac arrest - VF, VT, Asystole or PEA,
b) Cardiogenic shock,
c) Anaphylaxis,
d) Critical asthma,
e) Stridor due to inflammation.
Adrenaline
Contraindications
(Known hypersensitivity plus)
a) Contraindications are relative as this product is intended for use in life threatening emergencies,
b) Hypovolaemic shock without adequate fluid replacement.
Adrenaline
Precautions
Consider reduced doses for:
- Elderly/Frail pts,
- Pts w cardiovascular disease,
- Pts on monoamine oxidase inhibitors.
- Higher doses may be required for pts on beta blockers.
Adrenaline
Key timings (IM route)
Onset - 30-90sec,
Peak - 4-10min,
Duration - 5-10min.
Adrenaline
Special notes and important interactions
a) All pts receiving adrenaline for possible anaphylaxis are to be tx to hospital,
b) Ideal site for IM is mid-outer thigh,
c) IM adrenaline has short duration - monitor pt closely for reoccurrence of symptoms,
d) Pts taking alpha blockers at increased risk of hypotension and tachycardia,
e) Pts taking non selective beta blockers may experience severe HTN and bradycardia.
Adrenaline
Side effects
a) Tachycardia,
b) Arrhythmias,
c) HTN,
d) Dilated pupils,
e) Anxiety or palpitations,
f) May increase size of MI.
Adrenaline
Pharmacology or actions
Naturally occurring alpha and beta adrenergic stimulant.
a) Increases HR by increasing SA node firing rate,
b) Increases myocardial contractility,
c) Increases the irritability of the ventricles,
d) Causes bronchodilation,
e) Causes peripheral vasoconstriction.