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RT General Review > Hemodynamic Parameters and Shock > Flashcards

Hemodynamic Parameters and Shock Flashcards

1
Q

Cardiac output (CO)

  • Definition and Normal Range
  • Measured or calculated?
A

Total volume of blood pumped by the heart per min.

  • Normal = 4 - 8 L/Min
  • Can measured w/thermodilution or calculated
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2
Q

Cardiac Index (CI) definition and normal range

A

Cardiac output per body surface area

Normal: 2.5 - 4.0 L/min

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3
Q

Central Venous Pressure (CVP)

  • Definition and normal range
  • Measured or calculated
A

Measure of pressure in the superior vena cava (RV Preload)

  • Normal: 2-8 mmHg
  • Measured by central catheter
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4
Q

Mean arterial pressure (MAP)

  • Definition and normal range
  • Measured or calculated
A

Mean pressures in the arteries (LV afterload)

  • Normal = 70-100 mmHg
  • Measured or calculated by BP
  • Average arterial pressure throughout one cardiac cycle (systole and diastole)
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5
Q

Systemic vascular resistance (SVR) definition and normal range

A

Resistance exerted on circulating blood by the vasculature of the body

Normal: 800-1200 dynes/sec/cm

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6
Q

Arterial Blood Pressure
- Definition and normal range?
- Measured or calculated?

A

Normal:
S: 90-140 mmHg
D: 60-90mmHg

  • Volume of blood pumped out of heart w/each contraction
  • Measured
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7
Q

Right arterial pressure normal?

A

mean = 0-6 mmHg

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8
Q

pulmonary artery pressure normal?

  1. systole
  2. end diastole
  3. mean
A
  1. 15 - 30
  2. 4 - 12mmHg
  3. 9-19mmHg
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9
Q

Pulmonary artery wedge pressure normal (PAWP)?

A

mean = 4-12mmHg

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10
Q

Stroke Volume (SV)

  • Definition and normal range
  • Calculated or measured?
A

The volume of blood pumped out of heart w/each contraction

  • Normal = 60-120 mL
  • Calculated
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11
Q

Pulmonary artery pressure [PAP]

  • Definition and normal range?
  • Measured or calculated?
A

Systolic/diastolic pressures in the pulmonary artery (RV afterload)

Normal:

  • (S) 20-30 mmHg
  • (D) 5-15 mmHg
  • Measured via pulmonary artery catheter
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12
Q

Mean pulmonary artery pressure (MPAP)

  • Definition and normal range
  • Measured or calculated
A

Mean pressures in the pulmonary artery (RV afterload)

  • Normal 10-20mmHg
  • Measured or calculated from PAP
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13
Q

Systemic Vascular Resistance [SVR]

  • Definition and normal range
  • Measured or calculated
A

Resistance to blood flow by systemic vasculature (LV afterload)

  • Normal = 900-1400 dynes sec/cm5
  • calculated
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14
Q

Pulmonary Vascular Resistance [PVR]

  • Definition and normal range
  • Measured or calculated
A

Resistance to blood flow by pulmonary vasculature (RV afterload)

  • Normal = 110-250 dynes sec/cm5
  • Calculated
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15
Q

Mean Blood pressure (BP) normal?

A

80-100

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16
Q

Normal ICP?

A

10-15

17
Q
A

RT General Review (42 decks)

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