Cardiac Cath: Normal Hemodynamics

Question 1

Normal RA pressure?

Answer 1

1-8 mmHg

Question 2

Normal RV diastolic pressure?

Answer 2

1-8 mmHg

Question 3

Normal RV systolic pressure?

Answer 3

15-30 mmHg

Question 4

Normal Pulmonary artery systolic pressure?

Answer 4

15-30 mmHg

Question 5

Normal pulmonary artery diastolic pressure?

Answer 5

4-12 mmHg

Question 6

Normal mean LA pressure?

Answer 6

4-12 mmHg

Question 7

Normal LVEDP?

Answer 7

4-12 mmHg

Question 8

What is the implication if the RV pressure is higher than the pulm. artery pressure?

Answer 8

pulmonic valvulopathy

Question 9

What is the implication if the LV systolic pressure is higher than the systolic pressure of the aorta?

Answer 9

aortic valvulopathy

Question 10

How is pulmonary hypertension defined?

Answer 10

mean PA pressure > 25

Question 11

Equation for RV pressure estimated by transthoracic echo?

Answer 11

4 x (velocity of tricuspid regurg)^2 + RA pressure

Question 12

How is the RA pressure estimated by transthoracic echo?

Answer 12

by amount of IVC collapse on inspiration

Question 13

How much negative intrathoracic pressure is generated by inspiration?

Answer 13

-5 mmHg

Question 14

What is approx. RA pressure normally?

Answer 14

5 mmHg