a small area of myocardium that is depolarized early produces a characteristic slurred initial downstroke in the QRS complex.

A. With preexcitation syndromes,

 

a. conduction of the impulse from the atria to the ventricles is delayed in

the AV node.

b. the heart is stimulated to beat faster.

c. wide, bizarre QRS complexes are generated.

d. impulses are conducted through accessory conduction pathways between

the atria and ventricles

B . In WPW,

a. the T wave is inverted.

b. impulses bypass the AV node by traveling from the atria to the ventricles

via the bundle of Kent.

c. a small area of myocardium that is depolarized early produces a

characteristic slurred initial downstroke in the QRS complex.

d. the PR interval is prolonged.

C. PSVT stands for

a. premature ventricular tachycardia.

b. premature atrial tachycardia

c. paroxysmal supraventricular tachycardia.

d. paradoxical supraventricular tachycardia.

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