Cardiology Quiz 4 Flashcards
A regular rhythm with inverted P waves before each QRS complex, a ventricular rate of 70 beats/min, and narrow QRS complexes should be interpreted as a(n):
A) ectopic atrial rhythm.
B) junctional escape rhythm.
C) supraventricular tachycardia.
D) accelerated junctional rhythm.
D) accelerated junctional rhythm.
If an impulse generated by the AV node begins moving upward through the atria before the other part of it enters the ventricles:
A) the PR intervals will be greater than 0.20 seconds.
B) an upright P wave will appear after the QRS complex.
C) an inverted P wave will appear before the QRS complex.
D) a small, inverted P wave will be buried in the QRS complex.
C) an inverted P wave will appear before the QRS complex.