Drugs used in arrhythmias Flashcards by Hannah Wilkinson | Brainscape

Q

MOA of Lidocaine (Lignocaine)?

A

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Q

How do class I anti-arrhythmic drugs affect the action potential?

A

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Q

When do class I agents bind most avidly?

A

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Q

What are the differences between class Ia, Ib and Ic?

A

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Q

What are the indications for flecainide?

A

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Q

What are the side effects of flecainide?

A

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Q

What type of solubility does Amiodarone have?

A

Lipid soluble so very large volume of distribution

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Q

What is the MOA of Amiodarone?

A

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Q

What are the side effects of Amiodarone?

A

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Q

What do you monitor when someone is on Amiodarone and how frequently?

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Q

What are the indications for Amiodarone?

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Q

What class is Dronedarone and when is it used?

A

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Q

What do these adrenoceptors cause?

A

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Q

What is the molecular action of beta receptors?

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Q

What is the MOA of calcium channel blockers?

A

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Q

Which drug has a larger effect on reducing heart rate?

A

Q

Which drug has a larger effect on reducing cardiac contractility?

A

Q

Which drug has a larger vasodilatory effect?

A

Q

What are the indications for verapamil/diltiazem?

A

Q

What is the MOA of adenosine?

A

Q

What is adenosine broken down into?

A

Q

Who is adenosine CI in?

A

Asthmatic patients - causes bronchoconstriction

Q

A

Q

A

Q

When is adenosine used?

A

Q

What is the MOA of atropine?

A

Q

What does acetylcholine activate?

A

Q

When is atropine ineffective?

A

Q

When is isoprenaline used?

A

Q

What does isoprenaline increase?

A

Q

What is the funny channel?

A

Q

What is the MOA of Ivabradine?

A

Q

What is the MOA of digoxin?

A

Q

Antidote for digoxin?

A

Digibind

Q

What ecg effect do you get from digoxin?

A

Q

A

Q

Class I and III act on cardiac electrical tissue so it can prolong what?

A

QT and QRS intervals
They are pro-arrhythmic

Q

A