EKG FINAL

Atrial flutter has an atrial rate

Between 250 and 350

The T wave represents

Ventricular polarization

Lead l shows the difference in electrical voltage between which limbs

Right arm and left arm

______ is not a characteristic of a PVC

The T wave and the QRS are pointed in the same direction

An abnormal heart rhythm, resulting from impulses coming from a focus of tissue in the area of the arterial ventricular node is called

Junctional rhythm

Which is true about sinus rhythm

It is regular

The phase of the action potential characterized by sharp tall upstroke of the curve, and the cell receives an impulse from a neighboring cell that depolarizes is called

Phase 0 depolarization

The aVF lead

Is an augmented lead

Which of these statements about how sinus arrhythmia differs from wandering atrial pacemaker is true

Sinus arrhythmia has uniform P wave shaped wandering atrial pacemaker has at least three different shaped P waves

Which statement is true regarding P waves in atrial flutter

There are no pee waves they’re called flutter waves

_______ Is an absolute contraindication to stress testing

Unstable angina or angina at rest

The Ventricles inherent rate is

20 to 40 bpm