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Arrhythmia Management and Pharmacology

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benryan95's version from 2016-01-11 10:28

Section 1

Question Answer
What can be used to treat a symptomatic bradycardia, or a bradycardia <40bpm?Atropine`
What can be used to reverse bradycardia from beta-blocker overdose?Glucagon
What can be used to manage an SVT?Vagotonic manoevres (carotid massage, valsalva manoeuvre, breath-holding), IV adenosine, verapamil, alternatively atenolol or sotalol, or DC cardioversion
What can be used to manage VT?IV amiodarone or lidocaine, DC shock
What is used to manage torsade de pointes?Magnesium sulphate
What pharmaceuticals can typically be used during VF and pulseless VT?Adrenaline throughout CPR, and if resistant VF/VT amiodarone
What pharmaceuticals can typically be used during PEA and asystole?Adrenaline throughout CPR, atropine is no longer recommended
memorize

Section 2

Question Answer
What is Atropine and with regards to the heart, when is it used?A reversible competitive antagonist of muscarinic acetylcholine receptors, reducing parasympathetic activity - typically used in bradycardias
What is Adenosine and with regards to the heart, when is it used?A nucleoside that acts as a class V anti-arrhythmic agent, used typically for SVTs
What is Lidocaine and with regards to the heart, when is it used?A class Ib anti-arrhythmic agent, that can be used in VTs
What is torsades de pointes?A polymorphic ventricular tachycardia that can lead to sudden cardiac death, associated with long QT syndrome
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