Cardiovascular and Pulmonary: Examination of Heart Rhythm

Question 1

Cardiac Cycle: P wave

Answer 1

• Atrial depolarization

Question 2

Cardiac Cycle: P-R interval

Answer 2

• Time required for impulse to travel from atria, through conduction system, to Purkinje fibers.

Question 3

Cardiac Cycle: QRS complex

Answer 3

• Ventricular depolarization

Question 4

Cardiac Cycle: ST Segment

Answer 4

• Beginning of ventricular repolarization

Question 5

Cardiac Cycle: T wave

Answer 5

• Ventricular repolarization

Question 6

Cardiac Cycle: QT interval

Answer 6

• Time for electrical systole