Cardiovascular drugs mnemonic

Vaughan Williams classes of antiarrhythmics

The mnemonic

Some Block Potassium Channels

What each word stands for

  • SomeClass I: sodium channel blockers
  • BlockClass II: beta blockers
  • PotassiumClass III: potassium channel blockers
  • ChannelsClass IV: calcium channel blockers

Why it matters clinically

Gives the mechanism, which predicts the adverse effects of each class.

Where it stops being reliable

Does not cover adenosine and digoxin, which fall outside the scheme.

Teaching aid, still awaiting independent review. Confirm facts in a standard source.

More mnemonics

Common questions

What is the Cardiovascular drugs mnemonic?

Some Block Potassium Channels. It helps you recall: Vaughan Williams classes of antiarrhythmics.

What does "Some" stand for?

Class I: sodium channel blockers

What does "Block" stand for?

Class II: beta blockers

What does "Potassium" stand for?

Class III: potassium channel blockers

What are all the parts of the Some Block Potassium Channels mnemonic?

Some: Class I: sodium channel blockers; Block: Class II: beta blockers; Potassium: Class III: potassium channel blockers; Channels: Class IV: calcium channel blockers.

Which topic does this mnemonic belong to?

It belongs to Cardiovascular drugs in Pharmacology.

Where does this mnemonic stop being reliable?

Does not cover adenosine and digoxin, which fall outside the scheme.

How is this useful clinically?

Gives the mechanism, which predicts the adverse effects of each class.

How do I make this mnemonic stick?

Say it aloud, write it from memory tomorrow, then again in a week. Then test yourself on a Pharmacology question about Cardiovascular drugs.

Is this a standard mnemonic?

It is a teaching aid written or adapted by our team. Some resemble ones students share informally. Check any fact that matters in a standard source.