Basic EKG Flashcards

Question 1

Q

Coronary Arteries

-Where are they located?

Answer

A

The coronary arteries lie on top of the EPICARDIUM

Question 2

Q

Pulmonary Veins

Answer

A

Only veins that carry oxygenated blood

Question 3

Q

Cardiac Cells

-Pacemaker Cells

Answer

A

Generate electrical impulses

Question 4

Q

Cardiac Cells

-Conducting Cells

Answer

A

Conduct the impulses to the myocardial cells

Question 5

Q

Cardiac Cells

-Myocardial Cells

Answer

A

ONLY have MECHANICAL function w/ electrical stimulation

Question 6

Q

EKG

Answer

A

EKG only shows electrical activity. NO mechanical activity

Question 7

Q

Ejection Fraction

Answer

A

The % of blood pumped out with each contraction

- Normal = 65-75%

Question 8

Q

P-Wave shows what?

Answer

A

Atrial Depolarization

Question 9

Q

PR Shows?

Answer

A

Atrial Contraction

Question 10

Q

PR Interval Shows?

Answer

A

Atrial Depolarization + Atrial Contraction

Question 11

Q

QRS shows?

Answer

A

Ventricular Depolarization

Question 12

Q

ST shows?

Answer

A

Ventricular Contraction

Question 13

Q

T wave Shows?

Answer

A

Ventricular Repolarization

Question 14

Q

U wave shows?

Answer

A

Repolarization of Purkinje

Question 15

Q

QT Shows?

Answer

A

Whole Ventricular Circle

Question 16

Q

ECG Waves?

Question 17

Q

Depolarization

Answer

A

Electrical Event

Question 18

Q

Contraction

Answer

A

Mechanicaal Event

Question 19

Q

Repolarization

Answer

A

Resting Diastole

Question 20

Q

Cardiac Ions

Answer

A

Potassium
Calcium
Magnesium

Question 21

Q

Depolarization

Answer

A

Electrical Event

Question 22

Q

Contraction

Answer

A

Mechanicaal Event

Question 23

Q

Repolarization

Answer

A

Resting Diastole

Question 24

Q

Cardiac Ions

Answer

A

Potassium
Calcium
Magnesium

Question 25

Q

U wave

Answer

A

Repolarization of purkinjee

Question 26

Q

EKG interpretation

Answer

A

Rate
Rhythm
PR interval
QT interval
5 P wave
T wave
Interpretation
QRS complex

Question 27

Q

Sinus arrhythmia

Answer

A

Variation of normal sinsus

Question 28

Q

U wave

Answer

A

Repolarization of purkinjee

Question 29

Q

ECG Segments?

Answer

A

PR Segment

2. ST Segment

Question 30

Q

ECG Intervals?

Answer

A

PR Interval

2. QT Interval

Question 31

Q

Which Leads are Positively Deflected?

Answer

A

Leads I, II, & III

Question 32

Q

Leads V1 or MCL1

Answer

A

Small positive R-Wave then Large S-Wave