Cardiology Questions

With hypercalcemia, the duration of the plateau in the ventricular cell is shortened or prolonged

The resting membrane potential of the cardiac ventricular cell is

With hypocalcemia, the duration of the plateau in the ventricular cell is shortened or prolonged

Blockage of the circumflex artery will affect what area of the heart? Which leads will show this best?

Which nerve carries impulses from the carotid baroreceptors?

QT interval is prolonged by what electrolyte imbalance?

Name the Leads for Detecting Myocardial Infarction and Coronary Arteries that Supply Posterior, inferior walls.

Transmural injury demonstrates ST segment elevation of greater than 1 mm.

Evidence of an evolving myocardial infarction is seen in leads II, III, and AVF. What region of myocardium is involved, and what coronary artery supplies this region.

_______ is responsible for establishing the transmembrane resting potential;

The Resting Cell corresponds with what phase of the Action Potential of a Ventricular Cell?

1. The resting potential of the cardiac ventricular cell is _______?

What side of the heart do V5 and v6 look at

RSR pattern (M) in leads V1 and V2, with a QRS (W) pattern in leads v5 and v6 indicate

What does a prolonged PR interval suggest?

A pathological Q wave is ___% of the size of the R wave that follows it

What does pathological Q wave indicate?

Heart rate = ___ divided by number of large squares

If the rhythm is irregular, you multiply the number of complexes by ___ to get the heart rate

RSR pattern (M) in leads V5 and V6, with a QRS (W) pattern in leads v1 and v2 indicate