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CFRN Studying > Hemodynamics > Flashcards

Hemodynamics Flashcards

1
Q

Phlebostatic Axis

A

Points to position transducer in arterial line.

4th intercostal space. Midpoint between anterior and posterior thoracic region. Mid-axillary line.

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2
Q

Pulmonary Artery Catheter Colors

A

Blue - thermistor
Yellow - distal port for pulmonary pressures
gray**- transfusion port
red - balloon port

red/yellow - kill a fellow

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3
Q

Hypovolemic Shock

A

Loss of Fluid

Hemorrhage
Free Water Loss
Plasma Loss

CVP low CI low SVR ^ PCWP low

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4
Q

Cardiogenic Shock

A

Left Ventricular Dysfunction

Diastolic/Systolic Failure
Myocarditis
Apical Ballooning

CVP ^ CI low SVR ^ PCWP ^

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5
Q

Obstructive Shock

A

Tamponade
PE
Tension Pneumo
Congenital disease

CVP ^ CI low SVR ^ PCWP ^

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6
Q

Distributive Shock

A

Pump Problem

Sepsis
Anaphylaxis
Neurogenic Shock

CVP/CI/SVR/PCWP - All low

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7
Q

SVR (Systemic Vascular Resistance)

A

800-1200 dynes/sec/cm

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8
Q

PVR (Pulmonary Vascular Resistance)

A

100-200 dynes/sec/cm

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9
Q

Q (Cardiac Output)

A

4-8L/min

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10
Q

CI (Cardiac Index)

A

2-4 L/min/m

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11
Q

CVP (Central Venous Pressure)

A

2-6 mmHg

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12
Q

RVP (Right Ventricular Pressure)

A

20-30 systolic
0-5 diastolic

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13
Q

PAP (Pulmonary Artery Pressure)

A

15-25 systolic
8-15 diastolic

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14
Q

Pulmonary Capillary Wedge Pressure

A

8-12 mmHg

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15
Q

Abnormal CVP

A

Decrease -

Vasodilation

increase -

RV failure/infarct
Tricuspid insufficiency
COPD
Left-sided Failure
Pulmonary Hypertension
Cardiac tamponade
elevated PEEP

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16
Q

Abnormal RVP

A

Increased RVP -

RV failure/chronic CHF
Pulmonary Hypertension
Cardiac tamponade

17
Q

Wedge Pressure

A

Senses pressure in front of pulmonary artery.

Pressures in Pulmonary venous system and left atrial/ventricle at the end of diastole.

3-4 mmHg lower than PA diastolic pressure.

18
Q

Circle of resuscitation

A

Volume status -> Heart Rate -> SVR (systemic vascular resistance)

19
Q

equation for SVR

A

SVR = ((MAP - CVP) / CO) * 80

20
Q

equation for MAP

A

[(diastolic *2)+systolic)] /3

CFRN Studying (23 decks)

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