Cardiac Function

Question 1

Normal CVP Value

Answer 1

4-10 mmHg

CVP = Right atrial pressure

Question 2

Cardiac Output (CO) Defined

Answer 2

Amount of blood pumped out of heart each minute

Question 3

Normal Cardiac Output (CO) Value

Answer 3

5 - 6 L/min

Question 4

Cardiac Index (CI) Defined

Answer 4

Measure of Cardiac Output relative to body surface area

Question 5

Normal Cardiac Index (CI) Value

Answer 5

2.8 - 3.3 L/min

Question 6

Cardiac Index (CI) < 2.2

Answer 6

Bad perfusion of tissue

Question 7

Stroke Volume (SV) Defined

Answer 7

Amount of blood ejected with each contraction of left ventricle

Question 8

End-Diastolic Volume (EDV) Defined

Answer 8

Volume of blood in ventricle prior to ejection

Question 9

End-Systolic Volume (ESV) Defined

Answer 9

Amount of blood remaining in ventricle after ejection

Question 10

Cardiac Conduction - P-Wave

Answer 10

Atrial Depolarization

Question 11

Normal PR Interval Duration

Answer 11

0.12 - 0.20 secs

Question 12

Cardiac Conduction - QRS Complex

Answer 12

Ventricular Depolarization

Question 13

Normal QRS Complex Duration

Answer 13

0.08 - 0.12 secs

Question 14

Normal QT Segment Duration

Answer 14

0.36 - 0.44 secs

Question 15

Cardiac Conduction - T-Wave

Answer 15

Ventricular Repolarization

Question 15

Torsades de Pointe - length of QT interval

Answer 15

QT Interval ≥ 0.5 secs

Question 17

EKG - tall peaked T-Wave Clinical Manifestations

Answer 17

hyperkalemia

Question 19

EKG - U-Wave Clinical Manifestations

Answer 19

Low heart rate and hypokalemia

Question 19

EKG - T-Wave Inversion Clinical Manifestations

Answer 19

Myocardial Ischemia

Question 20

Normal Ejection Fraction (EF)

Answer 20

55% - 80%

Question 21

Abnormal Ejection Fraction (EF)

Answer 21

40% - 50%

Question 22

Preload defined

Answer 22

Volume of blood in the heart

Question 23

Afterload defined

Answer 23

Impedance opposing ejection of blood from L. Vent (aortic valve)