10 Example Questions

Question 1

What does an EKG record?

Answer 1

Heart’s electrical activity

Question 2

What time frame would 4 small horizontal squares determine?

Answer 2

0.16 seconds

Question 3

What rhythms would we see if the SA nodes electrical impulse is less than 60 bpm?

Answer 3

Sinus bradycardia

Question 4

What would atrial contraction be represented as on an EKG strip?

Answer 4

P wave

Question 5

What complex would ventricular depolarization represent on an EKG strip?

Answer 5

QRS

Question 6

What would ventricular depolarization be represent on an EKG strip?

Answer 6

T wave

Question 7

What is the dominant pacemaker of the heart?

And rate

Answer 7

SA node 60-100 bpm

Question 8

What is the most likely cardiac response be to hypoxia?

Answer 8

Sinus tachycardia

Question 9

When would performing a 12-lead EKG be indicated?

Answer 9

Angina and SYncope

Question 10

What is occurring during the ST segment of a normal heart beat?

Answer 10

Coronary artery repurfusion

Question 11

What is the final destination of electrical conduction in the heart?

Answer 11

Purkinje fibers

Question 12

What system is routinely utilized for continuous monitoring of a patient’s heart rate if admitted to the hospital?

Answer 12

3 or 5 lead

Question 13

What device is utilized outside the hospital for patients having suspected cardiac arrhythmia?

Answer 13

Holter’s

Question 14

What heart rhythm is described as having a “saw-tooth” pattern?

Answer 14

Atrial flutter

Question 15

What lethal heart rhythms require immediate defibrillation?

Answer 15

V tach and v fib

Question 16

What lethal heart rhythm is described as having an organized rhythm with no palpable pulse?

Answer 16

Pulseless Electrical Activity