NUR%20214%20Cardiovascular%20Introduction%20Lecture%20Fall%202010

NUR%20214%20Cardiovascular%20Introduction%20Lecture%20Fall%202010

Info iconThis preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon
ALTERATION IN CIRCULATION  AND OXYGENATION NUR 214
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Function of the Circulatory System Deliver oxygen and nutrients to  the cells Remove waste products of cellular  metabolism
Background image of page 2
About the size of a fist Weighs about 1 lb  9.4 oz in females 10.5 oz in males Right Heart Pumps blood through the lungs Pulmonary Circulation Left Heart Pumps blood to the body Systemic Circulation Anatomic Overview Of the Heart
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The average heart pumps 2.4 ounces (70 milliliters) of blood per heartbeat.  If the average heartbeat is 72 beats per minute:  heart pumps 1.3 gallons (5 Liters) per minute  1,900 gallons (7,200 Liters) per day 700,000 gallons (2,628,000 Liters) per year 48 million gallons (184,086,000 liters) by the time  and individual is 70 years old  The Hard Working Heart
Background image of page 4
The Chambers of the Heart Right atrium Right ventricle  Left atrium Left ventricle
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Right heart: Thin walled ventricle Low pressure pump   (PAP = 25/10) Receives blood from systemic circulation  Pumps to lungs Left heart: Ventricle muscle is thick High pressure pump (aortic pressure = 120/80) Receives blood from lungs  Pumps to systemic circulation Two Separate Circulatory Systems
Background image of page 6
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Blood Flow The thickness of the cardiac chamber wall depends on the amount of  pressure (resistance) it must overcome to eject blood
Background image of page 8
Normal Intracardiac Pressures
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Arteries –       carry oxygenated      blood away from      the heart to the      systemic circulation Veins –  carry deoxygenated  blood back to the  heart from the  systemic circulation Circulation
Background image of page 10
Blood Flow through a Single Cardiac Cycle Vena Cava  (Deoxygenated Blood) Right Atrium Right Ventricle Pulmonary Artery Pulmonary Capillary Bed Pulmonary Vein   Left Atrium Left Ventricle Aorta                (Oxygenated Blood) pumps your blood
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
other Which is the only vein in the body that  carries oxygenated blood? Which is the only artery in the body that 
Background image of page 12
Image of page 13
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/14/2011 for the course NUR 214 taught by Professor Criswell during the Spring '08 term at Purdue University.

Page1 / 38

NUR%20214%20Cardiovascular%20Introduction%20Lecture%20Fall%202010

This preview shows document pages 1 - 13. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online