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Terms in this set (66)
The average pressure in your arteries during one complete
cardiac cycle, including systole and diastole.
Mean Arterial Pressure (MAP)
*70-100 normal range
*((2x diastolic)+ systolic))/3
The pressure gradient that drives blood flow to the brain,
ensuring it receives adequate oxygen.
Cerebral Perfusion Pressure (CPP)
*80-100 mmHg normal range
*MAP-ICP
Cardiac output is how many liters of blood your heart pumps in one
Cardiac Output minute.
*HR x SV
*4-8 L/min normal range
Hemodynamic measure that represents a person's cardiac
output normalized for their body surface area.
Cardiac Index
*(CO/BSA)
*2.5-4 L/min normal range
The volume of blood pumped out of the heart's left ventricle
during each systolic cardiac contraction.
Stroke volume
*(CO/HR) in mL
*60-120 mL/beat normal value
Systemic Vascular Resistance refers to the quantitative value
that measures the pressure the left ventricle of the heart
Systemic vascular resistance must overcome to pump blood into the systemic
circulation.
*((MAP-RAP) x 80))/ CO
*1000+-200 dynes/sec/cm2 normal range
, The degree of cardiac muscle fiber stretching just before
contraction. It's essentially the volume of blood within the
Preload (RIGHT ATRIUM) ventricles at the end of diastole, which determines how much
the myocardial muscle fibers are stretched.
*RAP(CVP)
*2-6 normal range
Measurement of left ventricular end-diastolic pressure
(LVEDP), which essentially reflects the pressure in the left
PAWP (Pulmonary artery wedge
pressure) atrium and the amount of blood filling the left ventricle
before contraction.
*6-12 normal range
-Fluids
What increases preload?
-Blood products
-Diuretics
-Nitroglycerin
What decreases preload?
-Morphine
-Nitroprusside
The pressure the heart must work against to eject blood during
systole (ventricular contraction). It essentially represents the
Afterload resistance the heart faces as it pumps blood into the aorta and
pulmonary artery.
*Is comprised of PVR(right ventricular) and SVR(left ventricular)
*100-250 normal range
Measures the resistance to blood flow through the pulmonary
blood vessels, which are responsible for carrying blood from
Pulmonary vascular resistance
(PVR) the heart to the lungs.
*100-250 normal range
*((PAM - PAWP) x 80))/CO
-Dopamine >10 mcg/kg/min
-Epinephrine >6 mcg/kg
-Norepinephrine (Levophed)
What increases afterload?
-Neo synephrine
-Vasopressin
-Angiotensin 2
-Nitroglycerin
What decreases afterload
-Nitroprusside
Intrinsic ability of the cardiac muscle (myocardium) to shorten and
generate force, independent of preload or afterload. It
essentially represents the "strength" of the heart's
Contractility
contraction.