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CC-P Hemodynamics > Hemodynamics > Flashcards

Hemodynamics Flashcards

1
Q

Central venous pressure (CVP) range?

A

2-6 mmHg

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2
Q

Right ventricular pressure (RVP) systolic/diastolic Range?

A

15-25 systolic
0-5 diastolic

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3
Q

Pulmonary artery pressure (PA)
systolic/diastolic

A

15-25 systolic
8-15 diastolic

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4
Q

PAWP range

A

8-12 mmHg

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5
Q

Coronary perfusion pressure (CPP)

A

50-60 mmHg

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6
Q

Cardiac Output Range

A

4-8 L/Min

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7
Q

Cardiac Index range

A

2.5-5.0 L/M

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8
Q

The transducer is placed at the _________ ?

A

Phlebostatic access 4th intercostal space.midaxillary line.

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9
Q

Pic B is an example of an_______ waveform, what causes this?

A

Underdamped waveform.
extra tubbing or high SVR

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10
Q

Pic C is an example of an_________ waveform. What causes this?

A

Overdamped waveform.
stiff, blockage, or small air bubbles.

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11
Q

SVR

A

800-1200 dynes/ sec

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12
Q

In a Swan Ganz the Red port is a _______Port and uses________ of air to inflate or just enough to see a waveform.

A

Balloon Port
1-1.5ml of air.

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13
Q

In a swan Ganz, the red balloon port must remain_________ for transport.

A

deflated.

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14
Q

In a Swan Ganz, The Yellow port is the ________ port and has the_______ at the end and is used to obtain a _________sample and for_________.

A

distal port
transducer
Mix venous gas
Sv02 sample.
Transducing.

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15
Q

In a Swan Ganz cath which 2 ports are not to be used?

A

Red and yellow with the thermister connector

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16
Q

In a Swan Ganz Cath the Proximal injectate port is________cm from the tip of the cath.

A

30cm and infusion injectate port is 31 cm from the tip of the cath.

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17
Q

In a Swan Ganz cath which port is used to administer blood, fluids, and meds. and what is the color of the port?

A

The proximal port
Yellow.

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18
Q

In a Swan Ganz cath there are two black markings

A

Thin black lines 10cm
Thick black lines 50cm

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19
Q

discribe a pulmonary artery waveform.

A

has a dicrotic notch on the descending side indicating the closure of the aortic and pulmonic valves.
The waveform sits higher on the screen 15-25 systolic and 8-15 diastolic

20
Q

Name three types of obstructive shock.

A

cardiac tamponade. PE. tension pneumothorax. congenital heart

21
Q

Name two types of cardiac shock.

A

Left ventricular failure and dysfunction

22
Q

Name two types of distributive shock

A

Sepsis, anaphylaxis

23
Q

Three types of hypovolemic shock?

A

Loss of volume, burns, hemorrhage

24
Q

One type of neurogenic shock?

A

Spinal cord transection

25
Q

Name three types of dissociative shock.

A

Co-poisoning, toxic metabolites, methemoglobinemia. G.O.L.D.M.A.R.K

26
Q

What is the formula for systemic vascular resistance (SVR)?

A

MAP-CVP/ Cardiac Output X 80=

27
Q

CO (Q) formula

A

(SV) X (HR)/ 1000= Cardiac output

28
Q

CI formula

A

Q/BSI=

29
Q

A decrease in CVP ( right atrial ) may indicate?

A

Hypovolemia
Vasodilation.

30
Q

Increased CVP ( right atria) may indicate?

A

RV infarct
tricuspid insufficiency
COPD or any chest issues… pressure in the PA backs up in the RV then Atria.

31
Q

A low RV may indicate a?

A

No preload
Vasodilation

32
Q

An increase in RV may indicate?

A

RV failure, CHF, pulmonary HTN, and pressures on the PA.

33
Q

Anacrotic notch represents _______ on the RV waveform.

A

Atrial kick

34
Q

Can the (PAP) be used to estimate the wedge pressure?

A

Yes

35
Q

The (PAP) indirectly reflects______________?

A

Left ventricular end diastolic pressure.

36
Q

Decreased PAP may indicate?

A

Hypovolemia or vasodilation

37
Q

A high PAP may indicate?

A

left atrial or ventricular issues.
mitral valve regurgitation or stenosis.
pulmonary issues, COPD ext

38
Q

PCWP measures pressures in the?

A

Left ventricular end-diastolic pressure and Atrial pressure. Also known as a rolling waveform there is no correlation with the QRS.

39
Q

What causes a low PCWP?

A

Hypovolemia and Vasodilation.

40
Q

What causes an increase in PCWP?

A

LV failure, mitral valve stenosis cardiac tamponade.

41
Q

What two types of shock are identical in hemodynamic parameters? WHY?

A

Cardiogenic and Obstructive. The left ventricle is not ejecting blood out and obstructive shock is obstructed not pushing out as well.

42
Q

What are the hemodynamic parameters in Septic shock?

A

All parameters are low. There is no SVR due to pro-inflammatory mediators ( infection) causing vasodilation.

43
Q

What are the hemodynamic parameters in hypovolemic shock?

A

All are low except for SVR. No circulating volume so all is low and SVR has constricted.

44
Q

What are the hemodynamics in neurogenic ( distributive ) shock?

A

All are low and cardiac output ( CI) is normal. The spinal cord is severed and the system is dilated. But there is no fluid loss so CI is normal.

45
Q

What are the hemodynamic parameters in right heart failure? RHF

A

Wedge and CVP are opposite. CVP is high wedge is low.

CC-P Hemodynamics (1 decks)

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