Hemodynamics Flashcards by Steven Sorci | Brainscape

Q

Definition of flow

A

Area x Volume

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Definition of volume

A

Area x VTI

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Definition of pressure

A

modified Bernoulli: 4v²

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

PHT equation from DT

A

0.29 x DT

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

MVA by PHT

A

220/PHT

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

PVR Equation

A

TR_vel/RVOT_VTI x 10

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Flow Equation

A

6.28 x r² x Vel_alias/MR_vel

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Normal LVOT diameter

A

2.1-2.4 cm

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Normal LVOT area

A

3.46-4.5 cm²

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Normal LVOT velocity

A

0.9-1.1 m/sec

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Normal LVOT VTI

A

18-24 cm

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is a normal E’?

A

Greater than 7

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Diastolic Grades by E/E’

A

Normal: Grade 1
>15: Grade 2
>>>15: Grade 3

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is an L wave

A

Mid diastolic flow shows elevated filling

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How does DT predict PCWP?

A

Mitral DT < 120ms predicts PCWP > 20

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How does E/e’ predict PCWP

A

E/e’ > 11 predicts PCWP >15

Q

What E/Vp predicts LV filling?

A

E/Vp > 1.4 predicts LV filling > 15

Q

RV and TVI relationship?

A

RV=VTI

Q

Relate ERO, Flow, and RV

A

ERO = Flow (from aliasing equation)/RV (or VTI)