Hesi Med Surg III Final Exam

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Hesi Med Surg III Final Exam 1.what is the amount of blood pumped by the heart each minute✔✔ CO 2.all hemodynamic measurements are affected by what?✔✔ CO 3.what is normal cardiac output?✔✔ 4-8 L 4.what is a more accurate measurement of CO by taking BSA into account?- ✔✔ cardiac index 5.what is normal cardiac index?✔✔ 2.4-4 6.what compensates for changes in CP by speeding up or slowing down✔✔ - heart rate 7.what is the amount of blood ejected by each heartbeat?✔✔ stroke volume 8.what is the presure exerted on the ventricular walls by the volume of blood filling the ventricle at the end of diastole?✔✔ preload 1 / 3

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9.if the preload is high, what do we see?✔✔ too much blood volume, fluid overload HF renal failure 10.if preload is low, what do we see?✔✔ dehydration from diuretic 11.what is the resistance to ventricular contraction to pump the blod out?- ✔✔ afterload 12.what is the pressure that the heart must overcome such as in MAP?✔✔ af- terload 13.if we have a high afterload, what do we see?✔✔ aortic stenosis vasoconstriction 14.what is property of myocardial muscle fivers that allows them to short- en✔✔ contractility 15.how do we measure CO?✔✔ HR x Stroke volume 16.what are minimally invasive lines for cardiac?✔✔ central venous access arterial access 17.what are invasive lines for cardiac?✔✔ pulmonary artery catheter (swan ganz) 2 / 3

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18.where is the central line normally placed?✔✔ subclavian vein jugular vein 19.why is central line good?✔✔ good way to give meds give fluids

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