Further ECG Flashcards Preview

MD3001 > Further ECG Flashcards > Flashcards

Flashcards in Further ECG Flashcards Deck (3)

Define a valsalva manoeuvre.

A forced expiration against a closed glottis


How would you get a patient to perform a valsalva manoeuvre?

Lie them supine and ask them to blow into a 20ml syringe with enough force to push the plunger back.Despite not being able to achieve this, they will perform a valsalva manoeuvre


How does the origin of the electrical activity differ when the QRS complex is broad as opposed to narrow?

Narrow: originates above the bundle of His
Broad: originates below the bundle of His

Decks in MD3001 Class (63):